Home / 2,072.62-3,104.91-1,237.06

Finding the Fourth Proportional to 2,072.62, 3,104.91 and 1,237.06

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Solution

The fourth proportional to 2,072.62, 3,104.91 and 1,237.06 is: 1,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.62 : 3,104.91 = 1,237.06 : x
  2. Step 2: Convert to fraction form
    2,072.62/3,104.91 = 1,237.06/x
  3. Step 3: Cross multiply
    2,072.62x = 3,104.91 × 1,237.06
  4. Step 4: Simplify right side
    2,072.62x = 3,840,959.96
  5. Step 5: Solve for x
    x = 3,840,959.96/2,072.62
  6. Step 6: Final answer
    x = 1,853.19

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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.