Home / 5,191.14-7,163.75-2,833.28

Finding the Fourth Proportional to 5,191.14, 7,163.75 and 2,833.28

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Solution

The fourth proportional to 5,191.14, 7,163.75 and 2,833.28 is: 3,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.14 : 7,163.75 = 2,833.28 : x
  2. Step 2: Convert to fraction form
    5,191.14/7,163.75 = 2,833.28/x
  3. Step 3: Cross multiply
    5,191.14x = 7,163.75 × 2,833.28
  4. Step 4: Simplify right side
    5,191.14x = 20,296,899.76
  5. Step 5: Solve for x
    x = 20,296,899.76/5,191.14
  6. Step 6: Final answer
    x = 3,909.91

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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.