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Finding the Fourth Proportional to 3,251.97, 4,868.39 and 2,015.41

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Solution

The fourth proportional to 3,251.97, 4,868.39 and 2,015.41 is: 3,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.97 : 4,868.39 = 2,015.41 : x
  2. Step 2: Convert to fraction form
    3,251.97/4,868.39 = 2,015.41/x
  3. Step 3: Cross multiply
    3,251.97x = 4,868.39 × 2,015.41
  4. Step 4: Simplify right side
    3,251.97x = 9,811,801.89
  5. Step 5: Solve for x
    x = 9,811,801.89/3,251.97
  6. Step 6: Final answer
    x = 3,017.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.