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Finding the Fourth Proportional to 2,793.08, 3,854.30 and 1,551

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Solution

The fourth proportional to 2,793.08, 3,854.30 and 1,551 is: 2,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.08 : 3,854.30 = 1,551 : x
  2. Step 2: Convert to fraction form
    2,793.08/3,854.30 = 1,551/x
  3. Step 3: Cross multiply
    2,793.08x = 3,854.30 × 1,551
  4. Step 4: Simplify right side
    2,793.08x = 5,978,019.30
  5. Step 5: Solve for x
    x = 5,978,019.30/2,793.08
  6. Step 6: Final answer
    x = 2,140.30

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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.