Home / 3,147.50-4,342.53-2,026.46

Finding the Fourth Proportional to 3,147.50, 4,342.53 and 2,026.46

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Solution

The fourth proportional to 3,147.50, 4,342.53 and 2,026.46 is: 2,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.50 : 4,342.53 = 2,026.46 : x
  2. Step 2: Convert to fraction form
    3,147.50/4,342.53 = 2,026.46/x
  3. Step 3: Cross multiply
    3,147.50x = 4,342.53 × 2,026.46
  4. Step 4: Simplify right side
    3,147.50x = 8,799,974.20
  5. Step 5: Solve for x
    x = 8,799,974.20/3,147.50
  6. Step 6: Final answer
    x = 2,795.86

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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.