Home / 5,401.88-7,454.82-3,163.72

Finding the Fourth Proportional to 5,401.88, 7,454.82 and 3,163.72

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Solution

The fourth proportional to 5,401.88, 7,454.82 and 3,163.72 is: 4,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.88 : 7,454.82 = 3,163.72 : x
  2. Step 2: Convert to fraction form
    5,401.88/7,454.82 = 3,163.72/x
  3. Step 3: Cross multiply
    5,401.88x = 7,454.82 × 3,163.72
  4. Step 4: Simplify right side
    5,401.88x = 23,584,963.13
  5. Step 5: Solve for x
    x = 23,584,963.13/5,401.88
  6. Step 6: Final answer
    x = 4,366.07

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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.