Home / 3,863.10-5,794.01-1,399.08

Finding the Fourth Proportional to 3,863.10, 5,794.01 and 1,399.08

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Solution

The fourth proportional to 3,863.10, 5,794.01 and 1,399.08 is: 2,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.10 : 5,794.01 = 1,399.08 : x
  2. Step 2: Convert to fraction form
    3,863.10/5,794.01 = 1,399.08/x
  3. Step 3: Cross multiply
    3,863.10x = 5,794.01 × 1,399.08
  4. Step 4: Simplify right side
    3,863.10x = 8,106,276.52
  5. Step 5: Solve for x
    x = 8,106,276.52/3,863.10
  6. Step 6: Final answer
    x = 2,098.39

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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.