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Finding the Fourth Proportional to 2,458.97, 3,393.38 and 1,354.97

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Solution

The fourth proportional to 2,458.97, 3,393.38 and 1,354.97 is: 1,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.97 : 3,393.38 = 1,354.97 : x
  2. Step 2: Convert to fraction form
    2,458.97/3,393.38 = 1,354.97/x
  3. Step 3: Cross multiply
    2,458.97x = 3,393.38 × 1,354.97
  4. Step 4: Simplify right side
    2,458.97x = 4,597,928.10
  5. Step 5: Solve for x
    x = 4,597,928.10/2,458.97
  6. Step 6: Final answer
    x = 1,869.86

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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.