Home / 4,122.77-5,689.44-2,234.38

Finding the Fourth Proportional to 4,122.77, 5,689.44 and 2,234.38

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Solution

The fourth proportional to 4,122.77, 5,689.44 and 2,234.38 is: 3,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.77 : 5,689.44 = 2,234.38 : x
  2. Step 2: Convert to fraction form
    4,122.77/5,689.44 = 2,234.38/x
  3. Step 3: Cross multiply
    4,122.77x = 5,689.44 × 2,234.38
  4. Step 4: Simplify right side
    4,122.77x = 12,712,331.33
  5. Step 5: Solve for x
    x = 12,712,331.33/4,122.77
  6. Step 6: Final answer
    x = 3,083.44

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Half scale
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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.