Home / 1,943.42-2,680.56-1,879.14

Finding the Fourth Proportional to 1,943.42, 2,680.56 and 1,879.14

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Solution

The fourth proportional to 1,943.42, 2,680.56 and 1,879.14 is: 2,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.42 : 2,680.56 = 1,879.14 : x
  2. Step 2: Convert to fraction form
    1,943.42/2,680.56 = 1,879.14/x
  3. Step 3: Cross multiply
    1,943.42x = 2,680.56 × 1,879.14
  4. Step 4: Simplify right side
    1,943.42x = 5,037,147.52
  5. Step 5: Solve for x
    x = 5,037,147.52/1,943.42
  6. Step 6: Final answer
    x = 2,591.90

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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.