Home / 2,568.38-3,853.62-1,336.66

Finding the Fourth Proportional to 2,568.38, 3,853.62 and 1,336.66

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Solution

The fourth proportional to 2,568.38, 3,853.62 and 1,336.66 is: 2,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.38 : 3,853.62 = 1,336.66 : x
  2. Step 2: Convert to fraction form
    2,568.38/3,853.62 = 1,336.66/x
  3. Step 3: Cross multiply
    2,568.38x = 3,853.62 × 1,336.66
  4. Step 4: Simplify right side
    2,568.38x = 5,150,970.08
  5. Step 5: Solve for x
    x = 5,150,970.08/2,568.38
  6. Step 6: Final answer
    x = 2,005.54

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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.