Home / 5,149.04-7,724.70-2,227.40

Finding the Fourth Proportional to 5,149.04, 7,724.70 and 2,227.40

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Solution

The fourth proportional to 5,149.04, 7,724.70 and 2,227.40 is: 3,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.04 : 7,724.70 = 2,227.40 : x
  2. Step 2: Convert to fraction form
    5,149.04/7,724.70 = 2,227.40/x
  3. Step 3: Cross multiply
    5,149.04x = 7,724.70 × 2,227.40
  4. Step 4: Simplify right side
    5,149.04x = 17,205,996.78
  5. Step 5: Solve for x
    x = 17,205,996.78/5,149.04
  6. Step 6: Final answer
    x = 3,341.59

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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.