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Finding the Fourth Proportional to 2,338.80, 3,227.90 and 1,454.89

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Solution

The fourth proportional to 2,338.80, 3,227.90 and 1,454.89 is: 2,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.80 : 3,227.90 = 1,454.89 : x
  2. Step 2: Convert to fraction form
    2,338.80/3,227.90 = 1,454.89/x
  3. Step 3: Cross multiply
    2,338.80x = 3,227.90 × 1,454.89
  4. Step 4: Simplify right side
    2,338.80x = 4,696,229.54
  5. Step 5: Solve for x
    x = 4,696,229.54/2,338.80
  6. Step 6: Final answer
    x = 2,007.97

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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.