Home / 3,974.38-5,961.68-1,052.68

Finding the Fourth Proportional to 3,974.38, 5,961.68 and 1,052.68

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Solution

The fourth proportional to 3,974.38, 5,961.68 and 1,052.68 is: 1,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.38 : 5,961.68 = 1,052.68 : x
  2. Step 2: Convert to fraction form
    3,974.38/5,961.68 = 1,052.68/x
  3. Step 3: Cross multiply
    3,974.38x = 5,961.68 × 1,052.68
  4. Step 4: Simplify right side
    3,974.38x = 6,275,765.11
  5. Step 5: Solve for x
    x = 6,275,765.11/3,974.38
  6. Step 6: Final answer
    x = 1,579.06

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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.