Home / 5,020.80-7,531.20-2,247.12

Finding the Fourth Proportional to 5,020.80, 7,531.20 and 2,247.12

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Solution

The fourth proportional to 5,020.80, 7,531.20 and 2,247.12 is: 3,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.80 : 7,531.20 = 2,247.12 : x
  2. Step 2: Convert to fraction form
    5,020.80/7,531.20 = 2,247.12/x
  3. Step 3: Cross multiply
    5,020.80x = 7,531.20 × 2,247.12
  4. Step 4: Simplify right side
    5,020.80x = 16,923,510.14
  5. Step 5: Solve for x
    x = 16,923,510.14/5,020.80
  6. Step 6: Final answer
    x = 3,370.68

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Double scale
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Similar ratio
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1.5x scale

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.