Home / 5,400.86-7,453.17-3,162.29

Finding the Fourth Proportional to 5,400.86, 7,453.17 and 3,162.29

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Solution

The fourth proportional to 5,400.86, 7,453.17 and 3,162.29 is: 4,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.86 : 7,453.17 = 3,162.29 : x
  2. Step 2: Convert to fraction form
    5,400.86/7,453.17 = 3,162.29/x
  3. Step 3: Cross multiply
    5,400.86x = 7,453.17 × 3,162.29
  4. Step 4: Simplify right side
    5,400.86x = 23,569,084.96
  5. Step 5: Solve for x
    x = 23,569,084.96/5,400.86
  6. Step 6: Final answer
    x = 4,363.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.