Home / 2,163.27-3,245.31-702.24

Finding the Fourth Proportional to 2,163.27, 3,245.31 and 702.24

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Solution

The fourth proportional to 2,163.27, 3,245.31 and 702.24 is: 1,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.27 : 3,245.31 = 702.24 : x
  2. Step 2: Convert to fraction form
    2,163.27/3,245.31 = 702.24/x
  3. Step 3: Cross multiply
    2,163.27x = 3,245.31 × 702.24
  4. Step 4: Simplify right side
    2,163.27x = 2,278,986.49
  5. Step 5: Solve for x
    x = 2,278,986.49/2,163.27
  6. Step 6: Final answer
    x = 1,053.49

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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.