Home / 3,863.30-5,794.93-1,398.11

Finding the Fourth Proportional to 3,863.30, 5,794.93 and 1,398.11

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Solution

The fourth proportional to 3,863.30, 5,794.93 and 1,398.11 is: 2,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.30 : 5,794.93 = 1,398.11 : x
  2. Step 2: Convert to fraction form
    3,863.30/5,794.93 = 1,398.11/x
  3. Step 3: Cross multiply
    3,863.30x = 5,794.93 × 1,398.11
  4. Step 4: Simplify right side
    3,863.30x = 8,101,913.62
  5. Step 5: Solve for x
    x = 8,101,913.62/3,863.30
  6. Step 6: Final answer
    x = 2,097.15

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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.