Home / 2,163.19-3,245.24-702.23

Finding the Fourth Proportional to 2,163.19, 3,245.24 and 702.23

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Solution

The fourth proportional to 2,163.19, 3,245.24 and 702.23 is: 1,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.19 : 3,245.24 = 702.23 : x
  2. Step 2: Convert to fraction form
    2,163.19/3,245.24 = 702.23/x
  3. Step 3: Cross multiply
    2,163.19x = 3,245.24 × 702.23
  4. Step 4: Simplify right side
    2,163.19x = 2,278,904.89
  5. Step 5: Solve for x
    x = 2,278,904.89/2,163.19
  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.