Home / 5,912.97-8,871.49-2,628.36

Finding the Fourth Proportional to 5,912.97, 8,871.49 and 2,628.36

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Solution

The fourth proportional to 5,912.97, 8,871.49 and 2,628.36 is: 3,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.97 : 8,871.49 = 2,628.36 : x
  2. Step 2: Convert to fraction form
    5,912.97/8,871.49 = 2,628.36/x
  3. Step 3: Cross multiply
    5,912.97x = 8,871.49 × 2,628.36
  4. Step 4: Simplify right side
    5,912.97x = 23,317,418.53
  5. Step 5: Solve for x
    x = 23,317,418.53/5,912.97
  6. Step 6: Final answer
    x = 3,943.44

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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.