Home / 7,331.87-10,993.68-3,169.28

Finding the Fourth Proportional to 7,331.87, 10,993.68 and 3,169.28

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Solution

The fourth proportional to 7,331.87, 10,993.68 and 3,169.28 is: 4,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.87 : 10,993.68 = 3,169.28 : x
  2. Step 2: Convert to fraction form
    7,331.87/10,993.68 = 3,169.28/x
  3. Step 3: Cross multiply
    7,331.87x = 10,993.68 × 3,169.28
  4. Step 4: Simplify right side
    7,331.87x = 34,841,995.18
  5. Step 5: Solve for x
    x = 34,841,995.18/7,331.87
  6. Step 6: Final answer
    x = 4,752.13

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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.