Question
Download Solution PDFThe fourth proportional to 5, 35 and x is 84, find the value of x.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
The proportional terms are 5, 35, x, and 84.
Formula Used:
In a proportion a : b :: c : d, the product of the extremes equals the product of the means.
⇒ a × d = b × c
Calculations:
Set up the proportion:
5 : 35 :: x : 84
Using the formula:
⇒ 5 × 84 = 35 × x
⇒ 420 = 35x
⇒ x = 420 / 35
⇒ x = 12
∴ The value of x is 12.
Last updated on Jul 8, 2025
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