Home / 3,273.38-4,913.13-2,178.51

Finding the Fourth Proportional to 3,273.38, 4,913.13 and 2,178.51

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Solution

The fourth proportional to 3,273.38, 4,913.13 and 2,178.51 is: 3,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.38 : 4,913.13 = 2,178.51 : x
  2. Step 2: Convert to fraction form
    3,273.38/4,913.13 = 2,178.51/x
  3. Step 3: Cross multiply
    3,273.38x = 4,913.13 × 2,178.51
  4. Step 4: Simplify right side
    3,273.38x = 10,703,314.09
  5. Step 5: Solve for x
    x = 10,703,314.09/3,273.38
  6. Step 6: Final answer
    x = 3,269.81

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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.