Home / 5,126.11-7,693.98-2,662.68

Finding the Fourth Proportional to 5,126.11, 7,693.98 and 2,662.68

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Solution

The fourth proportional to 5,126.11, 7,693.98 and 2,662.68 is: 3,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.11 : 7,693.98 = 2,662.68 : x
  2. Step 2: Convert to fraction form
    5,126.11/7,693.98 = 2,662.68/x
  3. Step 3: Cross multiply
    5,126.11x = 7,693.98 × 2,662.68
  4. Step 4: Simplify right side
    5,126.11x = 20,486,606.67
  5. Step 5: Solve for x
    x = 20,486,606.67/5,126.11
  6. Step 6: Final answer
    x = 3,996.52

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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.