Home / 3,728.22-5,145.20-2,467.10

Finding the Fourth Proportional to 3,728.22, 5,145.20 and 2,467.10

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Solution

The fourth proportional to 3,728.22, 5,145.20 and 2,467.10 is: 3,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.22 : 5,145.20 = 2,467.10 : x
  2. Step 2: Convert to fraction form
    3,728.22/5,145.20 = 2,467.10/x
  3. Step 3: Cross multiply
    3,728.22x = 5,145.20 × 2,467.10
  4. Step 4: Simplify right side
    3,728.22x = 12,693,704.15
  5. Step 5: Solve for x
    x = 12,693,704.15/3,728.22
  6. Step 6: Final answer
    x = 3,404.76

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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.