Home / 2,239.13-3,336.19-2,113.38

Finding the Fourth Proportional to 2,239.13, 3,336.19 and 2,113.38

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Solution

The fourth proportional to 2,239.13, 3,336.19 and 2,113.38 is: 3,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.13 : 3,336.19 = 2,113.38 : x
  2. Step 2: Convert to fraction form
    2,239.13/3,336.19 = 2,113.38/x
  3. Step 3: Cross multiply
    2,239.13x = 3,336.19 × 2,113.38
  4. Step 4: Simplify right side
    2,239.13x = 7,050,620.54
  5. Step 5: Solve for x
    x = 7,050,620.54/2,239.13
  6. Step 6: Final answer
    x = 3,148.82

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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.