Home / 4,122.91-6,183.60-1,200.52

Finding the Fourth Proportional to 4,122.91, 6,183.60 and 1,200.52

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Solution

The fourth proportional to 4,122.91, 6,183.60 and 1,200.52 is: 1,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.91 : 6,183.60 = 1,200.52 : x
  2. Step 2: Convert to fraction form
    4,122.91/6,183.60 = 1,200.52/x
  3. Step 3: Cross multiply
    4,122.91x = 6,183.60 × 1,200.52
  4. Step 4: Simplify right side
    4,122.91x = 7,423,535.47
  5. Step 5: Solve for x
    x = 7,423,535.47/4,122.91
  6. Step 6: Final answer
    x = 1,800.56

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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.