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Finding the Fourth Proportional to 4,098.87, 6,148.29 and 1,020.87

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Solution

The fourth proportional to 4,098.87, 6,148.29 and 1,020.87 is: 1,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.87 : 6,148.29 = 1,020.87 : x
  2. Step 2: Convert to fraction form
    4,098.87/6,148.29 = 1,020.87/x
  3. Step 3: Cross multiply
    4,098.87x = 6,148.29 × 1,020.87
  4. Step 4: Simplify right side
    4,098.87x = 6,276,604.81
  5. Step 5: Solve for x
    x = 6,276,604.81/4,098.87
  6. Step 6: Final answer
    x = 1,531.30

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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.