Home / 4,122.74-5,689.38-2,234.32

Finding the Fourth Proportional to 4,122.74, 5,689.38 and 2,234.32

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Solution

The fourth proportional to 4,122.74, 5,689.38 and 2,234.32 is: 3,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.74 : 5,689.38 = 2,234.32 : x
  2. Step 2: Convert to fraction form
    4,122.74/5,689.38 = 2,234.32/x
  3. Step 3: Cross multiply
    4,122.74x = 5,689.38 × 2,234.32
  4. Step 4: Simplify right side
    4,122.74x = 12,711,883.39
  5. Step 5: Solve for x
    x = 12,711,883.39/4,122.74
  6. Step 6: Final answer
    x = 3,083.36

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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.