Home / 5,979.35-8,966.30-2,082.85

Finding the Fourth Proportional to 5,979.35, 8,966.30 and 2,082.85

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Solution

The fourth proportional to 5,979.35, 8,966.30 and 2,082.85 is: 3,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.35 : 8,966.30 = 2,082.85 : x
  2. Step 2: Convert to fraction form
    5,979.35/8,966.30 = 2,082.85/x
  3. Step 3: Cross multiply
    5,979.35x = 8,966.30 × 2,082.85
  4. Step 4: Simplify right side
    5,979.35x = 18,675,425.13
  5. Step 5: Solve for x
    x = 18,675,425.13/5,979.35
  6. Step 6: Final answer
    x = 3,123.32

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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.