Finding the Fourth Proportional to 1,902, 2,853 and 534
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Solution
The fourth proportional to 1,902, 2,853 and 534 is: 801
Step by Step Solution
- Step 1: Write the proportion equation
1,902 : 2,853 = 534 : x - Step 2: Convert to fraction form
1,902/2,853 = 534/x - Step 3: Cross multiply
1,902x = 2,853 × 534 - Step 4: Simplify right side
1,902x = 1,523,502 - Step 5: Solve for x
x = 1,523,502/1,902 - Step 6: Final answer
x = 801
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.