Home / 4,122.16-6,183.24-1,349.12

Finding the Fourth Proportional to 4,122.16, 6,183.24 and 1,349.12

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Solution

The fourth proportional to 4,122.16, 6,183.24 and 1,349.12 is: 2,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.16 : 6,183.24 = 1,349.12 : x
  2. Step 2: Convert to fraction form
    4,122.16/6,183.24 = 1,349.12/x
  3. Step 3: Cross multiply
    4,122.16x = 6,183.24 × 1,349.12
  4. Step 4: Simplify right side
    4,122.16x = 8,341,932.75
  5. Step 5: Solve for x
    x = 8,341,932.75/4,122.16
  6. Step 6: Final answer
    x = 2,023.68

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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.