Home / 3,985.17-5,979.75-1,793.43

Finding the Fourth Proportional to 3,985.17, 5,979.75 and 1,793.43

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Solution

The fourth proportional to 3,985.17, 5,979.75 and 1,793.43 is: 2,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.17 : 5,979.75 = 1,793.43 : x
  2. Step 2: Convert to fraction form
    3,985.17/5,979.75 = 1,793.43/x
  3. Step 3: Cross multiply
    3,985.17x = 5,979.75 × 1,793.43
  4. Step 4: Simplify right side
    3,985.17x = 10,724,263.04
  5. Step 5: Solve for x
    x = 10,724,263.04/3,985.17
  6. Step 6: Final answer
    x = 2,691.04

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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.