Home / 3,672.12-5,067.63-2,180.04

Finding the Fourth Proportional to 3,672.12, 5,067.63 and 2,180.04

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Solution

The fourth proportional to 3,672.12, 5,067.63 and 2,180.04 is: 3,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.12 : 5,067.63 = 2,180.04 : x
  2. Step 2: Convert to fraction form
    3,672.12/5,067.63 = 2,180.04/x
  3. Step 3: Cross multiply
    3,672.12x = 5,067.63 × 2,180.04
  4. Step 4: Simplify right side
    3,672.12x = 11,047,636.11
  5. Step 5: Solve for x
    x = 11,047,636.11/3,672.12
  6. Step 6: Final answer
    x = 3,008.52

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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.