Home / 3,819.79-5,271.52-2,141.73

Finding the Fourth Proportional to 3,819.79, 5,271.52 and 2,141.73

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Solution

The fourth proportional to 3,819.79, 5,271.52 and 2,141.73 is: 2,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.79 : 5,271.52 = 2,141.73 : x
  2. Step 2: Convert to fraction form
    3,819.79/5,271.52 = 2,141.73/x
  3. Step 3: Cross multiply
    3,819.79x = 5,271.52 × 2,141.73
  4. Step 4: Simplify right side
    3,819.79x = 11,290,167.18
  5. Step 5: Solve for x
    x = 11,290,167.18/3,819.79
  6. Step 6: Final answer
    x = 2,955.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.