Home / 3,251.72-4,485.99-2,072.54

Finding the Fourth Proportional to 3,251.72, 4,485.99 and 2,072.54

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Solution

The fourth proportional to 3,251.72, 4,485.99 and 2,072.54 is: 2,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.72 : 4,485.99 = 2,072.54 : x
  2. Step 2: Convert to fraction form
    3,251.72/4,485.99 = 2,072.54/x
  3. Step 3: Cross multiply
    3,251.72x = 4,485.99 × 2,072.54
  4. Step 4: Simplify right side
    3,251.72x = 9,297,393.71
  5. Step 5: Solve for x
    x = 9,297,393.71/3,251.72
  6. Step 6: Final answer
    x = 2,859.22

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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.