Home / 5,067.40-7,601.10-3,123.40

Finding the Fourth Proportional to 5,067.40, 7,601.10 and 3,123.40

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Solution

The fourth proportional to 5,067.40, 7,601.10 and 3,123.40 is: 4,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.40 : 7,601.10 = 3,123.40 : x
  2. Step 2: Convert to fraction form
    5,067.40/7,601.10 = 3,123.40/x
  3. Step 3: Cross multiply
    5,067.40x = 7,601.10 × 3,123.40
  4. Step 4: Simplify right side
    5,067.40x = 23,741,275.74
  5. Step 5: Solve for x
    x = 23,741,275.74/5,067.40
  6. Step 6: Final answer
    x = 4,685.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.