Home / 5,191.11-7,163.60-2,833.29

Finding the Fourth Proportional to 5,191.11, 7,163.60 and 2,833.29

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Solution

The fourth proportional to 5,191.11, 7,163.60 and 2,833.29 is: 3,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.11 : 7,163.60 = 2,833.29 : x
  2. Step 2: Convert to fraction form
    5,191.11/7,163.60 = 2,833.29/x
  3. Step 3: Cross multiply
    5,191.11x = 7,163.60 × 2,833.29
  4. Step 4: Simplify right side
    5,191.11x = 20,296,542.08
  5. Step 5: Solve for x
    x = 20,296,542.08/5,191.11
  6. Step 6: Final answer
    x = 3,909.87

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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.