Home / 4,311.25-6,467.49-2,231.48

Finding the Fourth Proportional to 4,311.25, 6,467.49 and 2,231.48

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Solution

The fourth proportional to 4,311.25, 6,467.49 and 2,231.48 is: 3,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.25 : 6,467.49 = 2,231.48 : x
  2. Step 2: Convert to fraction form
    4,311.25/6,467.49 = 2,231.48/x
  3. Step 3: Cross multiply
    4,311.25x = 6,467.49 × 2,231.48
  4. Step 4: Simplify right side
    4,311.25x = 14,432,090.75
  5. Step 5: Solve for x
    x = 14,432,090.75/4,311.25
  6. Step 6: Final answer
    x = 3,347.54

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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.