Home / 2,998.38-4,137.59-1,672.04

Finding the Fourth Proportional to 2,998.38, 4,137.59 and 1,672.04

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Solution

The fourth proportional to 2,998.38, 4,137.59 and 1,672.04 is: 2,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.38 : 4,137.59 = 1,672.04 : x
  2. Step 2: Convert to fraction form
    2,998.38/4,137.59 = 1,672.04/x
  3. Step 3: Cross multiply
    2,998.38x = 4,137.59 × 1,672.04
  4. Step 4: Simplify right side
    2,998.38x = 6,918,186.94
  5. Step 5: Solve for x
    x = 6,918,186.94/2,998.38
  6. Step 6: Final answer
    x = 2,307.31

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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.