Home / 5,589.46-8,388.21-2,079.95

Finding the Fourth Proportional to 5,589.46, 8,388.21 and 2,079.95

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Solution

The fourth proportional to 5,589.46, 8,388.21 and 2,079.95 is: 3,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.46 : 8,388.21 = 2,079.95 : x
  2. Step 2: Convert to fraction form
    5,589.46/8,388.21 = 2,079.95/x
  3. Step 3: Cross multiply
    5,589.46x = 8,388.21 × 2,079.95
  4. Step 4: Simplify right side
    5,589.46x = 17,447,057.39
  5. Step 5: Solve for x
    x = 17,447,057.39/5,589.46
  6. Step 6: Final answer
    x = 3,121.42

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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.