Home / 3,863.35-5,794.38-1,399.33

Finding the Fourth Proportional to 3,863.35, 5,794.38 and 1,399.33

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Solution

The fourth proportional to 3,863.35, 5,794.38 and 1,399.33 is: 2,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.35 : 5,794.38 = 1,399.33 : x
  2. Step 2: Convert to fraction form
    3,863.35/5,794.38 = 1,399.33/x
  3. Step 3: Cross multiply
    3,863.35x = 5,794.38 × 1,399.33
  4. Step 4: Simplify right side
    3,863.35x = 8,108,249.77
  5. Step 5: Solve for x
    x = 8,108,249.77/3,863.35
  6. Step 6: Final answer
    x = 2,098.76

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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.