Home / 5,190.97-7,163.53-2,833.11

Finding the Fourth Proportional to 5,190.97, 7,163.53 and 2,833.11

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Solution

The fourth proportional to 5,190.97, 7,163.53 and 2,833.11 is: 3,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.97 : 7,163.53 = 2,833.11 : x
  2. Step 2: Convert to fraction form
    5,190.97/7,163.53 = 2,833.11/x
  3. Step 3: Cross multiply
    5,190.97x = 7,163.53 × 2,833.11
  4. Step 4: Simplify right side
    5,190.97x = 20,295,068.48
  5. Step 5: Solve for x
    x = 20,295,068.48/5,190.97
  6. Step 6: Final answer
    x = 3,909.69

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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.