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Finding the Fourth Proportional to 2,793, 3,854.46 and 1,551

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Solution

The fourth proportional to 2,793, 3,854.46 and 1,551 is: 2,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793 : 3,854.46 = 1,551 : x
  2. Step 2: Convert to fraction form
    2,793/3,854.46 = 1,551/x
  3. Step 3: Cross multiply
    2,793x = 3,854.46 × 1,551
  4. Step 4: Simplify right side
    2,793x = 5,978,267.46
  5. Step 5: Solve for x
    x = 5,978,267.46/2,793
  6. Step 6: Final answer
    x = 2,140.45

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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.