Home / 3,974.10-5,961.14-1,667.22

Finding the Fourth Proportional to 3,974.10, 5,961.14 and 1,667.22

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Solution

The fourth proportional to 3,974.10, 5,961.14 and 1,667.22 is: 2,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.10 : 5,961.14 = 1,667.22 : x
  2. Step 2: Convert to fraction form
    3,974.10/5,961.14 = 1,667.22/x
  3. Step 3: Cross multiply
    3,974.10x = 5,961.14 × 1,667.22
  4. Step 4: Simplify right side
    3,974.10x = 9,938,531.83
  5. Step 5: Solve for x
    x = 9,938,531.83/3,974.10
  6. Step 6: Final answer
    x = 2,500.83

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Double scale
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Similar ratio
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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.