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Finding the Fourth Proportional to 3,789.83, 5,675.25 and 2,398.97

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Solution

The fourth proportional to 3,789.83, 5,675.25 and 2,398.97 is: 3,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.83 : 5,675.25 = 2,398.97 : x
  2. Step 2: Convert to fraction form
    3,789.83/5,675.25 = 2,398.97/x
  3. Step 3: Cross multiply
    3,789.83x = 5,675.25 × 2,398.97
  4. Step 4: Simplify right side
    3,789.83x = 13,614,754.49
  5. Step 5: Solve for x
    x = 13,614,754.49/3,789.83
  6. Step 6: Final answer
    x = 3,592.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.