Home / 3,737.20-5,154.63-2,321.71

Finding the Fourth Proportional to 3,737.20, 5,154.63 and 2,321.71

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Solution

The fourth proportional to 3,737.20, 5,154.63 and 2,321.71 is: 3,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.20 : 5,154.63 = 2,321.71 : x
  2. Step 2: Convert to fraction form
    3,737.20/5,154.63 = 2,321.71/x
  3. Step 3: Cross multiply
    3,737.20x = 5,154.63 × 2,321.71
  4. Step 4: Simplify right side
    3,737.20x = 11,967,556.02
  5. Step 5: Solve for x
    x = 11,967,556.02/3,737.20
  6. Step 6: Final answer
    x = 3,202.28

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1.5x scale

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.