Home / 3,982.74-5,974.17-2,230.44

Finding the Fourth Proportional to 3,982.74, 5,974.17 and 2,230.44

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Solution

The fourth proportional to 3,982.74, 5,974.17 and 2,230.44 is: 3,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.74 : 5,974.17 = 2,230.44 : x
  2. Step 2: Convert to fraction form
    3,982.74/5,974.17 = 2,230.44/x
  3. Step 3: Cross multiply
    3,982.74x = 5,974.17 × 2,230.44
  4. Step 4: Simplify right side
    3,982.74x = 13,325,027.73
  5. Step 5: Solve for x
    x = 13,325,027.73/3,982.74
  6. Step 6: Final answer
    x = 3,345.69

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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.