Home / 5,475.88-7,557.27-3,238.48

Finding the Fourth Proportional to 5,475.88, 7,557.27 and 3,238.48

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Solution

The fourth proportional to 5,475.88, 7,557.27 and 3,238.48 is: 4,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.88 : 7,557.27 = 3,238.48 : x
  2. Step 2: Convert to fraction form
    5,475.88/7,557.27 = 3,238.48/x
  3. Step 3: Cross multiply
    5,475.88x = 7,557.27 × 3,238.48
  4. Step 4: Simplify right side
    5,475.88x = 24,474,067.75
  5. Step 5: Solve for x
    x = 24,474,067.75/5,475.88
  6. Step 6: Final answer
    x = 4,469.43

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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.