Home / 5,380.01-7,425.01-3,142.44

Finding the Fourth Proportional to 5,380.01, 7,425.01 and 3,142.44

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Solution

The fourth proportional to 5,380.01, 7,425.01 and 3,142.44 is: 4,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.01 : 7,425.01 = 3,142.44 : x
  2. Step 2: Convert to fraction form
    5,380.01/7,425.01 = 3,142.44/x
  3. Step 3: Cross multiply
    5,380.01x = 7,425.01 × 3,142.44
  4. Step 4: Simplify right side
    5,380.01x = 23,332,648.42
  5. Step 5: Solve for x
    x = 23,332,648.42/5,380.01
  6. Step 6: Final answer
    x = 4,336.92

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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.