Home / 5,745.38-7,928.91-3,227.36

Finding the Fourth Proportional to 5,745.38, 7,928.91 and 3,227.36

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Solution

The fourth proportional to 5,745.38, 7,928.91 and 3,227.36 is: 4,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.38 : 7,928.91 = 3,227.36 : x
  2. Step 2: Convert to fraction form
    5,745.38/7,928.91 = 3,227.36/x
  3. Step 3: Cross multiply
    5,745.38x = 7,928.91 × 3,227.36
  4. Step 4: Simplify right side
    5,745.38x = 25,589,407.33
  5. Step 5: Solve for x
    x = 25,589,407.33/5,745.38
  6. Step 6: Final answer
    x = 4,453.91

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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.