Home / 5,191.35-7,163.82-3,202.11

Finding the Fourth Proportional to 5,191.35, 7,163.82 and 3,202.11

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Solution

The fourth proportional to 5,191.35, 7,163.82 and 3,202.11 is: 4,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.35 : 7,163.82 = 3,202.11 : x
  2. Step 2: Convert to fraction form
    5,191.35/7,163.82 = 3,202.11/x
  3. Step 3: Cross multiply
    5,191.35x = 7,163.82 × 3,202.11
  4. Step 4: Simplify right side
    5,191.35x = 22,939,339.66
  5. Step 5: Solve for x
    x = 22,939,339.66/5,191.35
  6. Step 6: Final answer
    x = 4,418.76

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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.