Home / 3,853.14-5,317.32-2,084.74

Finding the Fourth Proportional to 3,853.14, 5,317.32 and 2,084.74

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Solution

The fourth proportional to 3,853.14, 5,317.32 and 2,084.74 is: 2,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.14 : 5,317.32 = 2,084.74 : x
  2. Step 2: Convert to fraction form
    3,853.14/5,317.32 = 2,084.74/x
  3. Step 3: Cross multiply
    3,853.14x = 5,317.32 × 2,084.74
  4. Step 4: Simplify right side
    3,853.14x = 11,085,229.70
  5. Step 5: Solve for x
    x = 11,085,229.70/3,853.14
  6. Step 6: Final answer
    x = 2,876.93

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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.