Home / 5,749.28-7,923.66-4,174.64

Finding the Fourth Proportional to 5,749.28, 7,923.66 and 4,174.64

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Solution

The fourth proportional to 5,749.28, 7,923.66 and 4,174.64 is: 5,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.28 : 7,923.66 = 4,174.64 : x
  2. Step 2: Convert to fraction form
    5,749.28/7,923.66 = 4,174.64/x
  3. Step 3: Cross multiply
    5,749.28x = 7,923.66 × 4,174.64
  4. Step 4: Simplify right side
    5,749.28x = 33,078,427.98
  5. Step 5: Solve for x
    x = 33,078,427.98/5,749.28
  6. Step 6: Final answer
    x = 5,753.49

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Half scale
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Double scale
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Similar ratio
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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.