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Finding the Fourth Proportional to 5,978.17, 8,248.35 and 3,324.97

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Solution

The fourth proportional to 5,978.17, 8,248.35 and 3,324.97 is: 4,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.17 : 8,248.35 = 3,324.97 : x
  2. Step 2: Convert to fraction form
    5,978.17/8,248.35 = 3,324.97/x
  3. Step 3: Cross multiply
    5,978.17x = 8,248.35 × 3,324.97
  4. Step 4: Simplify right side
    5,978.17x = 27,425,516.30
  5. Step 5: Solve for x
    x = 27,425,516.30/5,978.17
  6. Step 6: Final answer
    x = 4,587.61

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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.