Home / 3,021.27-4,167.44-2,183.21

Finding the Fourth Proportional to 3,021.27, 4,167.44 and 2,183.21

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Solution

The fourth proportional to 3,021.27, 4,167.44 and 2,183.21 is: 3,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.27 : 4,167.44 = 2,183.21 : x
  2. Step 2: Convert to fraction form
    3,021.27/4,167.44 = 2,183.21/x
  3. Step 3: Cross multiply
    3,021.27x = 4,167.44 × 2,183.21
  4. Step 4: Simplify right side
    3,021.27x = 9,098,364.93
  5. Step 5: Solve for x
    x = 9,098,364.93/3,021.27
  6. Step 6: Final answer
    x = 3,011.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.