Home / 7,329.24-10,987.20-2,709

Finding the Fourth Proportional to 7,329.24, 10,987.20 and 2,709

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Solution

The fourth proportional to 7,329.24, 10,987.20 and 2,709 is: 4,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.24 : 10,987.20 = 2,709 : x
  2. Step 2: Convert to fraction form
    7,329.24/10,987.20 = 2,709/x
  3. Step 3: Cross multiply
    7,329.24x = 10,987.20 × 2,709
  4. Step 4: Simplify right side
    7,329.24x = 29,764,324.80
  5. Step 5: Solve for x
    x = 29,764,324.80/7,329.24
  6. Step 6: Final answer
    x = 4,061.04

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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.