Home / 3,143.92-4,717.44-2,225.38

Finding the Fourth Proportional to 3,143.92, 4,717.44 and 2,225.38

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Solution

The fourth proportional to 3,143.92, 4,717.44 and 2,225.38 is: 3,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.92 : 4,717.44 = 2,225.38 : x
  2. Step 2: Convert to fraction form
    3,143.92/4,717.44 = 2,225.38/x
  3. Step 3: Cross multiply
    3,143.92x = 4,717.44 × 2,225.38
  4. Step 4: Simplify right side
    3,143.92x = 10,498,096.63
  5. Step 5: Solve for x
    x = 10,498,096.63/3,143.92
  6. Step 6: Final answer
    x = 3,339.17

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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.