Home / 5,131.22-7,693.76-2,493.54

Finding the Fourth Proportional to 5,131.22, 7,693.76 and 2,493.54

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Solution

The fourth proportional to 5,131.22, 7,693.76 and 2,493.54 is: 3,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.22 : 7,693.76 = 2,493.54 : x
  2. Step 2: Convert to fraction form
    5,131.22/7,693.76 = 2,493.54/x
  3. Step 3: Cross multiply
    5,131.22x = 7,693.76 × 2,493.54
  4. Step 4: Simplify right side
    5,131.22x = 19,184,704.54
  5. Step 5: Solve for x
    x = 19,184,704.54/5,131.22
  6. Step 6: Final answer
    x = 3,738.82

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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.