Home / 5,191.30-7,163.96-2,833.43

Finding the Fourth Proportional to 5,191.30, 7,163.96 and 2,833.43

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Solution

The fourth proportional to 5,191.30, 7,163.96 and 2,833.43 is: 3,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.30 : 7,163.96 = 2,833.43 : x
  2. Step 2: Convert to fraction form
    5,191.30/7,163.96 = 2,833.43/x
  3. Step 3: Cross multiply
    5,191.30x = 7,163.96 × 2,833.43
  4. Step 4: Simplify right side
    5,191.30x = 20,298,579.18
  5. Step 5: Solve for x
    x = 20,298,579.18/5,191.30
  6. Step 6: Final answer
    x = 3,910.11

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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.