Home / 2,082.21-2,873.75-1,418.82

Finding the Fourth Proportional to 2,082.21, 2,873.75 and 1,418.82

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Solution

The fourth proportional to 2,082.21, 2,873.75 and 1,418.82 is: 1,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.21 : 2,873.75 = 1,418.82 : x
  2. Step 2: Convert to fraction form
    2,082.21/2,873.75 = 1,418.82/x
  3. Step 3: Cross multiply
    2,082.21x = 2,873.75 × 1,418.82
  4. Step 4: Simplify right side
    2,082.21x = 4,077,326.88
  5. Step 5: Solve for x
    x = 4,077,326.88/2,082.21
  6. Step 6: Final answer
    x = 1,958.17

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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.