Home / 3,846.36-5,768.97-1,072.74

Finding the Fourth Proportional to 3,846.36, 5,768.97 and 1,072.74

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Solution

The fourth proportional to 3,846.36, 5,768.97 and 1,072.74 is: 1,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.36 : 5,768.97 = 1,072.74 : x
  2. Step 2: Convert to fraction form
    3,846.36/5,768.97 = 1,072.74/x
  3. Step 3: Cross multiply
    3,846.36x = 5,768.97 × 1,072.74
  4. Step 4: Simplify right side
    3,846.36x = 6,188,604.88
  5. Step 5: Solve for x
    x = 6,188,604.88/3,846.36
  6. Step 6: Final answer
    x = 1,608.95

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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.