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Finding the Fourth Proportional to 2,608.44, 3,898.56 and 2,400.88

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Solution

The fourth proportional to 2,608.44, 3,898.56 and 2,400.88 is: 3,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.44 : 3,898.56 = 2,400.88 : x
  2. Step 2: Convert to fraction form
    2,608.44/3,898.56 = 2,400.88/x
  3. Step 3: Cross multiply
    2,608.44x = 3,898.56 × 2,400.88
  4. Step 4: Simplify right side
    2,608.44x = 9,359,974.73
  5. Step 5: Solve for x
    x = 9,359,974.73/2,608.44
  6. Step 6: Final answer
    x = 3,588.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.