If 0.75 : x :: 5 : 8, find x.
Aptitude
Ratio and Proportion
Difficulty: Easy
Choose an option
Answer
Correct Answer: 1.20
Explanation
Problem restatementSolve the proportion 0.75 : x = 5 : 8 for x.
Concept/ApproachUse equality of ratios: 0.75/x = 5/8 ⇒ x = 0.75 × 8 ÷ 5.
Step-by-step calculation x = (0.75 × 8) ÷ 5 = 6 ÷ 5 = 1.2
Verification/AlternativeCheck: 0.75 : 1.2 = 0.625 and 5 : 8 = 0.625 → consistent.
Final Answer1.20