Home / 5,472.29-7,552.64-3,115.19

Finding the Fourth Proportional to 5,472.29, 7,552.64 and 3,115.19

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Solution

The fourth proportional to 5,472.29, 7,552.64 and 3,115.19 is: 4,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.29 : 7,552.64 = 3,115.19 : x
  2. Step 2: Convert to fraction form
    5,472.29/7,552.64 = 3,115.19/x
  3. Step 3: Cross multiply
    5,472.29x = 7,552.64 × 3,115.19
  4. Step 4: Simplify right side
    5,472.29x = 23,527,908.60
  5. Step 5: Solve for x
    x = 23,527,908.60/5,472.29
  6. Step 6: Final answer
    x = 4,299.46

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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.