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Finding the Fourth Proportional to 2,280.92, 3,145.88 and 1,651.54

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Solution

The fourth proportional to 2,280.92, 3,145.88 and 1,651.54 is: 2,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.92 : 3,145.88 = 1,651.54 : x
  2. Step 2: Convert to fraction form
    2,280.92/3,145.88 = 1,651.54/x
  3. Step 3: Cross multiply
    2,280.92x = 3,145.88 × 1,651.54
  4. Step 4: Simplify right side
    2,280.92x = 5,195,546.66
  5. Step 5: Solve for x
    x = 5,195,546.66/2,280.92
  6. Step 6: Final answer
    x = 2,277.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.