Home / 5,191.10-7,163.70-2,833.22

Finding the Fourth Proportional to 5,191.10, 7,163.70 and 2,833.22

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Solution

The fourth proportional to 5,191.10, 7,163.70 and 2,833.22 is: 3,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.10 : 7,163.70 = 2,833.22 : x
  2. Step 2: Convert to fraction form
    5,191.10/7,163.70 = 2,833.22/x
  3. Step 3: Cross multiply
    5,191.10x = 7,163.70 × 2,833.22
  4. Step 4: Simplify right side
    5,191.10x = 20,296,338.11
  5. Step 5: Solve for x
    x = 20,296,338.11/5,191.10
  6. Step 6: Final answer
    x = 3,909.83

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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.