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Finding the Fourth Proportional to 3,875.52, 5,813.18 and 1,410.38

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Solution

The fourth proportional to 3,875.52, 5,813.18 and 1,410.38 is: 2,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.52 : 5,813.18 = 1,410.38 : x
  2. Step 2: Convert to fraction form
    3,875.52/5,813.18 = 1,410.38/x
  3. Step 3: Cross multiply
    3,875.52x = 5,813.18 × 1,410.38
  4. Step 4: Simplify right side
    3,875.52x = 8,198,792.81
  5. Step 5: Solve for x
    x = 8,198,792.81/3,875.52
  6. Step 6: Final answer
    x = 2,115.53

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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.