Home / 1,966.12-2,713.28-1,082.08

Finding the Fourth Proportional to 1,966.12, 2,713.28 and 1,082.08

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Solution

The fourth proportional to 1,966.12, 2,713.28 and 1,082.08 is: 1,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.12 : 2,713.28 = 1,082.08 : x
  2. Step 2: Convert to fraction form
    1,966.12/2,713.28 = 1,082.08/x
  3. Step 3: Cross multiply
    1,966.12x = 2,713.28 × 1,082.08
  4. Step 4: Simplify right side
    1,966.12x = 2,935,986.02
  5. Step 5: Solve for x
    x = 2,935,986.02/1,966.12
  6. Step 6: Final answer
    x = 1,493.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.