Finding the Fourth Proportional to 625, 937.50 and 283
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Solution
The fourth proportional to 625, 937.50 and 283 is: 424.50
Step by Step Solution
- Step 1: Write the proportion equation
625 : 937.50 = 283 : x - Step 2: Convert to fraction form
625/937.50 = 283/x - Step 3: Cross multiply
625x = 937.50 × 283 - Step 4: Simplify right side
625x = 265,312.50 - Step 5: Solve for x
x = 265,312.50/625 - Step 6: Final answer
x = 424.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.