Home / 2,081.05-2,871.83-1,196.88

Finding the Fourth Proportional to 2,081.05, 2,871.83 and 1,196.88

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Solution

The fourth proportional to 2,081.05, 2,871.83 and 1,196.88 is: 1,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.05 : 2,871.83 = 1,196.88 : x
  2. Step 2: Convert to fraction form
    2,081.05/2,871.83 = 1,196.88/x
  3. Step 3: Cross multiply
    2,081.05x = 2,871.83 × 1,196.88
  4. Step 4: Simplify right side
    2,081.05x = 3,437,235.89
  5. Step 5: Solve for x
    x = 3,437,235.89/2,081.05
  6. Step 6: Final answer
    x = 1,651.68

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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.