Home / 5,100.20-7,039.76-3,332.06

Finding the Fourth Proportional to 5,100.20, 7,039.76 and 3,332.06

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Solution

The fourth proportional to 5,100.20, 7,039.76 and 3,332.06 is: 4,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.20 : 7,039.76 = 3,332.06 : x
  2. Step 2: Convert to fraction form
    5,100.20/7,039.76 = 3,332.06/x
  3. Step 3: Cross multiply
    5,100.20x = 7,039.76 × 3,332.06
  4. Step 4: Simplify right side
    5,100.20x = 23,456,850.85
  5. Step 5: Solve for x
    x = 23,456,850.85/5,100.20
  6. Step 6: Final answer
    x = 4,599.21

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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.