Home / 4,015.26-5,540.88-2,222.81

Finding the Fourth Proportional to 4,015.26, 5,540.88 and 2,222.81

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Solution

The fourth proportional to 4,015.26, 5,540.88 and 2,222.81 is: 3,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.26 : 5,540.88 = 2,222.81 : x
  2. Step 2: Convert to fraction form
    4,015.26/5,540.88 = 2,222.81/x
  3. Step 3: Cross multiply
    4,015.26x = 5,540.88 × 2,222.81
  4. Step 4: Simplify right side
    4,015.26x = 12,316,309.62
  5. Step 5: Solve for x
    x = 12,316,309.62/4,015.26
  6. Step 6: Final answer
    x = 3,067.38

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Half scale
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Double scale
Find fourth proportional to 4,016.26, 5,542.26 and 2,223.81
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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.