Home / 7,329.74-10,989.39-3,432.02

Finding the Fourth Proportional to 7,329.74, 10,989.39 and 3,432.02

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Solution

The fourth proportional to 7,329.74, 10,989.39 and 3,432.02 is: 5,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.74 : 10,989.39 = 3,432.02 : x
  2. Step 2: Convert to fraction form
    7,329.74/10,989.39 = 3,432.02/x
  3. Step 3: Cross multiply
    7,329.74x = 10,989.39 × 3,432.02
  4. Step 4: Simplify right side
    7,329.74x = 37,715,806.27
  5. Step 5: Solve for x
    x = 37,715,806.27/7,329.74
  6. Step 6: Final answer
    x = 5,145.59

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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.