Question

Find x if x,4,26 and 52 are in proportion solution

Answer 1

Answer. the product of extreme terms (i.e. p × s) is equal to the product of middle terms (i.e. r × s). 
Therefore, p : q : : r : s ⇒ ps = qr


•x/4=26/52
•52x=104
•x=104/52
•x=2

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Answer 2

x/4=26/52
x=26×4÷52
x=104÷52
x=2
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