Home / 3,979.19-5,968.49-1,607.44

Finding the Fourth Proportional to 3,979.19, 5,968.49 and 1,607.44

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Solution

The fourth proportional to 3,979.19, 5,968.49 and 1,607.44 is: 2,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.19 : 5,968.49 = 1,607.44 : x
  2. Step 2: Convert to fraction form
    3,979.19/5,968.49 = 1,607.44/x
  3. Step 3: Cross multiply
    3,979.19x = 5,968.49 × 1,607.44
  4. Step 4: Simplify right side
    3,979.19x = 9,593,974.57
  5. Step 5: Solve for x
    x = 9,593,974.57/3,979.19
  6. Step 6: Final answer
    x = 2,411.04

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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.