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Finding the Fourth Proportional to 2,793.47, 3,854.18 and 2,202.17

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Solution

The fourth proportional to 2,793.47, 3,854.18 and 2,202.17 is: 3,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.47 : 3,854.18 = 2,202.17 : x
  2. Step 2: Convert to fraction form
    2,793.47/3,854.18 = 2,202.17/x
  3. Step 3: Cross multiply
    2,793.47x = 3,854.18 × 2,202.17
  4. Step 4: Simplify right side
    2,793.47x = 8,487,529.29
  5. Step 5: Solve for x
    x = 8,487,529.29/2,793.47
  6. Step 6: Final answer
    x = 3,038.35

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1.5x scale

Why These Related Problems?

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