Home / 5,232.38-7,220.64-2,874.56

Finding the Fourth Proportional to 5,232.38, 7,220.64 and 2,874.56

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Solution

The fourth proportional to 5,232.38, 7,220.64 and 2,874.56 is: 3,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.38 : 7,220.64 = 2,874.56 : x
  2. Step 2: Convert to fraction form
    5,232.38/7,220.64 = 2,874.56/x
  3. Step 3: Cross multiply
    5,232.38x = 7,220.64 × 2,874.56
  4. Step 4: Simplify right side
    5,232.38x = 20,756,162.92
  5. Step 5: Solve for x
    x = 20,756,162.92/5,232.38
  6. Step 6: Final answer
    x = 3,966.87

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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.