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Finding the Fourth Proportional to 5,251.82, 7,248.04 and 3,923.22

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Solution

The fourth proportional to 5,251.82, 7,248.04 and 3,923.22 is: 5,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.82 : 7,248.04 = 3,923.22 : x
  2. Step 2: Convert to fraction form
    5,251.82/7,248.04 = 3,923.22/x
  3. Step 3: Cross multiply
    5,251.82x = 7,248.04 × 3,923.22
  4. Step 4: Simplify right side
    5,251.82x = 28,435,645.68
  5. Step 5: Solve for x
    x = 28,435,645.68/5,251.82
  6. Step 6: Final answer
    x = 5,414.43

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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.