Home / 4,982.48-7,462.20-2,787.92

Finding the Fourth Proportional to 4,982.48, 7,462.20 and 2,787.92

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Solution

The fourth proportional to 4,982.48, 7,462.20 and 2,787.92 is: 4,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.48 : 7,462.20 = 2,787.92 : x
  2. Step 2: Convert to fraction form
    4,982.48/7,462.20 = 2,787.92/x
  3. Step 3: Cross multiply
    4,982.48x = 7,462.20 × 2,787.92
  4. Step 4: Simplify right side
    4,982.48x = 20,804,016.62
  5. Step 5: Solve for x
    x = 20,804,016.62/4,982.48
  6. Step 6: Final answer
    x = 4,175.43

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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.