Home / 3,206.38-4,423.10-2,209.94

Finding the Fourth Proportional to 3,206.38, 4,423.10 and 2,209.94

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Solution

The fourth proportional to 3,206.38, 4,423.10 and 2,209.94 is: 3,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.38 : 4,423.10 = 2,209.94 : x
  2. Step 2: Convert to fraction form
    3,206.38/4,423.10 = 2,209.94/x
  3. Step 3: Cross multiply
    3,206.38x = 4,423.10 × 2,209.94
  4. Step 4: Simplify right side
    3,206.38x = 9,774,785.61
  5. Step 5: Solve for x
    x = 9,774,785.61/3,206.38
  6. Step 6: Final answer
    x = 3,048.54

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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.