Home / 2,273.91-3,390.51-2,239.29

Finding the Fourth Proportional to 2,273.91, 3,390.51 and 2,239.29

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Solution

The fourth proportional to 2,273.91, 3,390.51 and 2,239.29 is: 3,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.91 : 3,390.51 = 2,239.29 : x
  2. Step 2: Convert to fraction form
    2,273.91/3,390.51 = 2,239.29/x
  3. Step 3: Cross multiply
    2,273.91x = 3,390.51 × 2,239.29
  4. Step 4: Simplify right side
    2,273.91x = 7,592,335.14
  5. Step 5: Solve for x
    x = 7,592,335.14/2,273.91
  6. Step 6: Final answer
    x = 3,338.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.