Home / 2,249.29-3,371.61-862.27

Finding the Fourth Proportional to 2,249.29, 3,371.61 and 862.27

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Solution

The fourth proportional to 2,249.29, 3,371.61 and 862.27 is: 1,292.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.29 : 3,371.61 = 862.27 : x
  2. Step 2: Convert to fraction form
    2,249.29/3,371.61 = 862.27/x
  3. Step 3: Cross multiply
    2,249.29x = 3,371.61 × 862.27
  4. Step 4: Simplify right side
    2,249.29x = 2,907,238.15
  5. Step 5: Solve for x
    x = 2,907,238.15/2,249.29
  6. Step 6: Final answer
    x = 1,292.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.