Home / 5,191.28-7,163.98-2,833.44

Finding the Fourth Proportional to 5,191.28, 7,163.98 and 2,833.44

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Solution

The fourth proportional to 5,191.28, 7,163.98 and 2,833.44 is: 3,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.28 : 7,163.98 = 2,833.44 : x
  2. Step 2: Convert to fraction form
    5,191.28/7,163.98 = 2,833.44/x
  3. Step 3: Cross multiply
    5,191.28x = 7,163.98 × 2,833.44
  4. Step 4: Simplify right side
    5,191.28x = 20,298,707.49
  5. Step 5: Solve for x
    x = 20,298,707.49/5,191.28
  6. Step 6: Final answer
    x = 3,910.15

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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.