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Find the Fourth Proportional To 1.5, 4.5 and 3.5 - ICSE Class 10 - Mathematics

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Question

Find the fourth proportional to 1.5, 4.5 and 3.5

Solution

Let the fourth proportional to 1.5, 4.5 and 3.5 be x.

⇒ 1.5 : 4.5 = 3.5 : x

⇒ 1.5 × x = 3.5 4.5

⇒ x = 10.5

  Is there an error in this question or solution?

APPEARS IN

 Selina Solution for Selina ICSE Concise Mathematics for Class 10 (2018-2019) (2017 to Current)
Chapter 7: Ratio and Proportion (Including Properties and Uses)
Ex.7B | Q: 1.1

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Solution Find the Fourth Proportional To 1.5, 4.5 and 3.5 Concept: Ratios.
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