Home / 5,127.75-7,073.46-3,446.19

Finding the Fourth Proportional to 5,127.75, 7,073.46 and 3,446.19

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Solution

The fourth proportional to 5,127.75, 7,073.46 and 3,446.19 is: 4,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.75 : 7,073.46 = 3,446.19 : x
  2. Step 2: Convert to fraction form
    5,127.75/7,073.46 = 3,446.19/x
  3. Step 3: Cross multiply
    5,127.75x = 7,073.46 × 3,446.19
  4. Step 4: Simplify right side
    5,127.75x = 24,376,487.12
  5. Step 5: Solve for x
    x = 24,376,487.12/5,127.75
  6. Step 6: Final answer
    x = 4,753.84

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.