Home / 5,979.28-8,974.14-3,059.20

Finding the Fourth Proportional to 5,979.28, 8,974.14 and 3,059.20

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Solution

The fourth proportional to 5,979.28, 8,974.14 and 3,059.20 is: 4,591.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.28 : 8,974.14 = 3,059.20 : x
  2. Step 2: Convert to fraction form
    5,979.28/8,974.14 = 3,059.20/x
  3. Step 3: Cross multiply
    5,979.28x = 8,974.14 × 3,059.20
  4. Step 4: Simplify right side
    5,979.28x = 27,453,689.09
  5. Step 5: Solve for x
    x = 27,453,689.09/5,979.28
  6. Step 6: Final answer
    x = 4,591.47

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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.