Home / 5,979.38-8,968.72-2,281.98

Finding the Fourth Proportional to 5,979.38, 8,968.72 and 2,281.98

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Solution

The fourth proportional to 5,979.38, 8,968.72 and 2,281.98 is: 3,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.38 : 8,968.72 = 2,281.98 : x
  2. Step 2: Convert to fraction form
    5,979.38/8,968.72 = 2,281.98/x
  3. Step 3: Cross multiply
    5,979.38x = 8,968.72 × 2,281.98
  4. Step 4: Simplify right side
    5,979.38x = 20,466,439.67
  5. Step 5: Solve for x
    x = 20,466,439.67/5,979.38
  6. Step 6: Final answer
    x = 3,422.84

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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.