Home / 2,081.76-3,131.28-1,883.04

Finding the Fourth Proportional to 2,081.76, 3,131.28 and 1,883.04

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Solution

The fourth proportional to 2,081.76, 3,131.28 and 1,883.04 is: 2,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.76 : 3,131.28 = 1,883.04 : x
  2. Step 2: Convert to fraction form
    2,081.76/3,131.28 = 1,883.04/x
  3. Step 3: Cross multiply
    2,081.76x = 3,131.28 × 1,883.04
  4. Step 4: Simplify right side
    2,081.76x = 5,896,325.49
  5. Step 5: Solve for x
    x = 5,896,325.49/2,081.76
  6. Step 6: Final answer
    x = 2,832.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.