Home / 5,191.33-7,163.75-2,833.42

Finding the Fourth Proportional to 5,191.33, 7,163.75 and 2,833.42

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Solution

The fourth proportional to 5,191.33, 7,163.75 and 2,833.42 is: 3,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.33 : 7,163.75 = 2,833.42 : x
  2. Step 2: Convert to fraction form
    5,191.33/7,163.75 = 2,833.42/x
  3. Step 3: Cross multiply
    5,191.33x = 7,163.75 × 2,833.42
  4. Step 4: Simplify right side
    5,191.33x = 20,297,862.54
  5. Step 5: Solve for x
    x = 20,297,862.54/5,191.33
  6. Step 6: Final answer
    x = 3,909.96

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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.