Home / 2,005.09-2,766.72-1,120.93

Finding the Fourth Proportional to 2,005.09, 2,766.72 and 1,120.93

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Solution

The fourth proportional to 2,005.09, 2,766.72 and 1,120.93 is: 1,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.09 : 2,766.72 = 1,120.93 : x
  2. Step 2: Convert to fraction form
    2,005.09/2,766.72 = 1,120.93/x
  3. Step 3: Cross multiply
    2,005.09x = 2,766.72 × 1,120.93
  4. Step 4: Simplify right side
    2,005.09x = 3,101,299.45
  5. Step 5: Solve for x
    x = 3,101,299.45/2,005.09
  6. Step 6: Final answer
    x = 1,546.71

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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.