Home / 5,115.09-7,671.06-3,034.56

Finding the Fourth Proportional to 5,115.09, 7,671.06 and 3,034.56

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Solution

The fourth proportional to 5,115.09, 7,671.06 and 3,034.56 is: 4,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.09 : 7,671.06 = 3,034.56 : x
  2. Step 2: Convert to fraction form
    5,115.09/7,671.06 = 3,034.56/x
  3. Step 3: Cross multiply
    5,115.09x = 7,671.06 × 3,034.56
  4. Step 4: Simplify right side
    5,115.09x = 23,278,291.83
  5. Step 5: Solve for x
    x = 23,278,291.83/5,115.09
  6. Step 6: Final answer
    x = 4,550.91

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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.