Home / 3,143.08-4,711.92-1,196.68

Finding the Fourth Proportional to 3,143.08, 4,711.92 and 1,196.68

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Solution

The fourth proportional to 3,143.08, 4,711.92 and 1,196.68 is: 1,793.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.08 : 4,711.92 = 1,196.68 : x
  2. Step 2: Convert to fraction form
    3,143.08/4,711.92 = 1,196.68/x
  3. Step 3: Cross multiply
    3,143.08x = 4,711.92 × 1,196.68
  4. Step 4: Simplify right side
    3,143.08x = 5,638,660.43
  5. Step 5: Solve for x
    x = 5,638,660.43/3,143.08
  6. Step 6: Final answer
    x = 1,793.99

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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.