Home / 5,191.13-7,163.79-2,833.22

Finding the Fourth Proportional to 5,191.13, 7,163.79 and 2,833.22

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Solution

The fourth proportional to 5,191.13, 7,163.79 and 2,833.22 is: 3,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.13 : 7,163.79 = 2,833.22 : x
  2. Step 2: Convert to fraction form
    5,191.13/7,163.79 = 2,833.22/x
  3. Step 3: Cross multiply
    5,191.13x = 7,163.79 × 2,833.22
  4. Step 4: Simplify right side
    5,191.13x = 20,296,593.10
  5. Step 5: Solve for x
    x = 20,296,593.10/5,191.13
  6. Step 6: Final answer
    x = 3,909.86

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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.