Home / 2,731.17-3,768.45-1,736.09

Finding the Fourth Proportional to 2,731.17, 3,768.45 and 1,736.09

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Solution

The fourth proportional to 2,731.17, 3,768.45 and 1,736.09 is: 2,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.17 : 3,768.45 = 1,736.09 : x
  2. Step 2: Convert to fraction form
    2,731.17/3,768.45 = 1,736.09/x
  3. Step 3: Cross multiply
    2,731.17x = 3,768.45 × 1,736.09
  4. Step 4: Simplify right side
    2,731.17x = 6,542,349.52
  5. Step 5: Solve for x
    x = 6,542,349.52/2,731.17
  6. Step 6: Final answer
    x = 2,395.44

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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.