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Finding the Fourth Proportional to 3,859.43, 5,798.39 and 2,475.46

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Solution

The fourth proportional to 3,859.43, 5,798.39 and 2,475.46 is: 3,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.43 : 5,798.39 = 2,475.46 : x
  2. Step 2: Convert to fraction form
    3,859.43/5,798.39 = 2,475.46/x
  3. Step 3: Cross multiply
    3,859.43x = 5,798.39 × 2,475.46
  4. Step 4: Simplify right side
    3,859.43x = 14,353,677.38
  5. Step 5: Solve for x
    x = 14,353,677.38/3,859.43
  6. Step 6: Final answer
    x = 3,719.12

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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.