Find the fourth proportional to 1.5, 2.5, 4.5

योग

Let fourth proportional to 1.5, 2.5, 4.5 be x
then 1.5 : 2.5 : : 4.5 : x
∴ 1.5 × x = 2.5 x 4.5
x = `(2.5 xx 4.5)/(1.5)`
= 7.5.

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अध्याय 6: Ratio and Proportion - Exercise 7.2

अध्याय 6 Ratio and Proportion
Exercise 7.2 | Q 2.3

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