Question
Download Solution PDFThe ratio between the fourth proportional of 7, 5 and 3 to the third proportional of 7 and 13 is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFWe know that,
Fourth proportional of a, b, c is bc/a
⇒ Fourth proportional to 7, 5 and 3 = 5 × 3/7 = 15/7
We know that,
Third proportional to x, y is y2/x
⇒ Third proportional of 7, 13 = 132/7
∴ Required ratio = (15/7)/132/7 = 15/169 = 15 ∶ 169
Last updated on Jul 8, 2025
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