Home / 2,933.76-4,047.20-1,691.04

Finding the Fourth Proportional to 2,933.76, 4,047.20 and 1,691.04

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Solution

The fourth proportional to 2,933.76, 4,047.20 and 1,691.04 is: 2,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.76 : 4,047.20 = 1,691.04 : x
  2. Step 2: Convert to fraction form
    2,933.76/4,047.20 = 1,691.04/x
  3. Step 3: Cross multiply
    2,933.76x = 4,047.20 × 1,691.04
  4. Step 4: Simplify right side
    2,933.76x = 6,843,977.09
  5. Step 5: Solve for x
    x = 6,843,977.09/2,933.76
  6. Step 6: Final answer
    x = 2,332.83

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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.