Home / 5,749.38-7,928.89-4,261.01

Finding the Fourth Proportional to 5,749.38, 7,928.89 and 4,261.01

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Solution

The fourth proportional to 5,749.38, 7,928.89 and 4,261.01 is: 5,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.38 : 7,928.89 = 4,261.01 : x
  2. Step 2: Convert to fraction form
    5,749.38/7,928.89 = 4,261.01/x
  3. Step 3: Cross multiply
    5,749.38x = 7,928.89 × 4,261.01
  4. Step 4: Simplify right side
    5,749.38x = 33,785,029.28
  5. Step 5: Solve for x
    x = 33,785,029.28/5,749.38
  6. Step 6: Final answer
    x = 5,876.29

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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.