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Finding the Fourth Proportional to 3,694.66, 5,098.34 and 2,015.96

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Solution

The fourth proportional to 3,694.66, 5,098.34 and 2,015.96 is: 2,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.66 : 5,098.34 = 2,015.96 : x
  2. Step 2: Convert to fraction form
    3,694.66/5,098.34 = 2,015.96/x
  3. Step 3: Cross multiply
    3,694.66x = 5,098.34 × 2,015.96
  4. Step 4: Simplify right side
    3,694.66x = 10,278,049.51
  5. Step 5: Solve for x
    x = 10,278,049.51/3,694.66
  6. Step 6: Final answer
    x = 2,781.87

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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.