Home / 4,149.65-5,726.37-2,261.20

Finding the Fourth Proportional to 4,149.65, 5,726.37 and 2,261.20

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Solution

The fourth proportional to 4,149.65, 5,726.37 and 2,261.20 is: 3,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.65 : 5,726.37 = 2,261.20 : x
  2. Step 2: Convert to fraction form
    4,149.65/5,726.37 = 2,261.20/x
  3. Step 3: Cross multiply
    4,149.65x = 5,726.37 × 2,261.20
  4. Step 4: Simplify right side
    4,149.65x = 12,948,450.61
  5. Step 5: Solve for x
    x = 12,948,450.61/4,149.65
  6. Step 6: Final answer
    x = 3,120.37

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Half scale
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Double 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.