Home / 3,853.11-5,317.26-2,084.69

Finding the Fourth Proportional to 3,853.11, 5,317.26 and 2,084.69

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Solution

The fourth proportional to 3,853.11, 5,317.26 and 2,084.69 is: 2,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.11 : 5,317.26 = 2,084.69 : x
  2. Step 2: Convert to fraction form
    3,853.11/5,317.26 = 2,084.69/x
  3. Step 3: Cross multiply
    3,853.11x = 5,317.26 × 2,084.69
  4. Step 4: Simplify right side
    3,853.11x = 11,084,838.75
  5. Step 5: Solve for x
    x = 11,084,838.75/3,853.11
  6. Step 6: Final answer
    x = 2,876.85

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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.