Home / 5,231.92-7,222.80-3,467.68

Finding the Fourth Proportional to 5,231.92, 7,222.80 and 3,467.68

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Solution

The fourth proportional to 5,231.92, 7,222.80 and 3,467.68 is: 4,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.92 : 7,222.80 = 3,467.68 : x
  2. Step 2: Convert to fraction form
    5,231.92/7,222.80 = 3,467.68/x
  3. Step 3: Cross multiply
    5,231.92x = 7,222.80 × 3,467.68
  4. Step 4: Simplify right side
    5,231.92x = 25,046,359.10
  5. Step 5: Solve for x
    x = 25,046,359.10/5,231.92
  6. Step 6: Final answer
    x = 4,787.22

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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.