Home / 5,982.90-8,972.28-2,866.43

Finding the Fourth Proportional to 5,982.90, 8,972.28 and 2,866.43

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Solution

The fourth proportional to 5,982.90, 8,972.28 and 2,866.43 is: 4,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.90 : 8,972.28 = 2,866.43 : x
  2. Step 2: Convert to fraction form
    5,982.90/8,972.28 = 2,866.43/x
  3. Step 3: Cross multiply
    5,982.90x = 8,972.28 × 2,866.43
  4. Step 4: Simplify right side
    5,982.90x = 25,718,367.70
  5. Step 5: Solve for x
    x = 25,718,367.70/5,982.90
  6. Step 6: Final answer
    x = 4,298.65

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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.