Home / 3,934.36-5,901.68-1,336.96

Finding the Fourth Proportional to 3,934.36, 5,901.68 and 1,336.96

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Solution

The fourth proportional to 3,934.36, 5,901.68 and 1,336.96 is: 2,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.36 : 5,901.68 = 1,336.96 : x
  2. Step 2: Convert to fraction form
    3,934.36/5,901.68 = 1,336.96/x
  3. Step 3: Cross multiply
    3,934.36x = 5,901.68 × 1,336.96
  4. Step 4: Simplify right side
    3,934.36x = 7,890,310.09
  5. Step 5: Solve for x
    x = 7,890,310.09/3,934.36
  6. Step 6: Final answer
    x = 2,005.49

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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.