Advertisements
Advertisements
प्रश्न
Find the fourth proportion to the following:
0.7, 4.9 and 1.6
Advertisements
उत्तर
Let x be the fourth prcportion .
0.7 : 4.9 :: 1.6 : x
⇒ 0.7 x X = 4.9 x 1.6
⇒ x = `(4.9 xx 1.6)/0.7`
⇒ x = 11.2
The fourth proportion is 11.2
APPEARS IN
संबंधित प्रश्न
If q is the mean proportional between p and r prove that `(p^3 + q^3 + r^3)/(p^2q^2r^2) = 1/p^3 + 1/q^3 = 1/r^3`
If `1/12` , x and `1/75` are in continued proportion , find x.
If a : b = c : d; then show that (ax+ by) : b = (cx+ dy) : d
Find the value of x in each of the following proportion:
27 : x : : 63 : 84
If `x/a = y/b = z/c`, prove that `x^3/a^2 + y^3/b^2 + z^3/c^2 = (x+ y+ z)^3/(a + b+ c)^2`
If a, b, c, d are in continued proportion, prove that: `(a^3 + b^3 + c^3)/(b^3 + c^3 + d^3) = a/d`
Write the mean and extreme terms in the following ratios and check whether they are in proportion.
400 gm is to 50 gm and 25 rupees is to 625 rupees
The length and breadth of a school ground are 150 m and 90 m respectively, while the length and breadth of a mela ground are 210 m and 126 m, respectively. Are these measurements in proportion?
Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.
25 cm : 1 m and ₹ 40 : ₹ 160
What number must be added to each of the numbers 4, 6, 8, 11 in order to get the four numbers in proportion?
