Home / 3,558.56-5,331.92-2,167.70

Finding the Fourth Proportional to 3,558.56, 5,331.92 and 2,167.70

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Solution

The fourth proportional to 3,558.56, 5,331.92 and 2,167.70 is: 3,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.56 : 5,331.92 = 2,167.70 : x
  2. Step 2: Convert to fraction form
    3,558.56/5,331.92 = 2,167.70/x
  3. Step 3: Cross multiply
    3,558.56x = 5,331.92 × 2,167.70
  4. Step 4: Simplify right side
    3,558.56x = 11,557,965.49
  5. Step 5: Solve for x
    x = 11,557,965.49/3,558.56
  6. Step 6: Final answer
    x = 3,247.94

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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.