Home / 2,006.36-2,768.78-1,122.18

Finding the Fourth Proportional to 2,006.36, 2,768.78 and 1,122.18

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Solution

The fourth proportional to 2,006.36, 2,768.78 and 1,122.18 is: 1,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.36 : 2,768.78 = 1,122.18 : x
  2. Step 2: Convert to fraction form
    2,006.36/2,768.78 = 1,122.18/x
  3. Step 3: Cross multiply
    2,006.36x = 2,768.78 × 1,122.18
  4. Step 4: Simplify right side
    2,006.36x = 3,107,061.96
  5. Step 5: Solve for x
    x = 3,107,061.96/2,006.36
  6. Step 6: Final answer
    x = 1,548.61

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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.