Home / 2,185.95-3,016.57-1,191.23

Finding the Fourth Proportional to 2,185.95, 3,016.57 and 1,191.23

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Solution

The fourth proportional to 2,185.95, 3,016.57 and 1,191.23 is: 1,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.95 : 3,016.57 = 1,191.23 : x
  2. Step 2: Convert to fraction form
    2,185.95/3,016.57 = 1,191.23/x
  3. Step 3: Cross multiply
    2,185.95x = 3,016.57 × 1,191.23
  4. Step 4: Simplify right side
    2,185.95x = 3,593,428.68
  5. Step 5: Solve for x
    x = 3,593,428.68/2,185.95
  6. Step 6: Final answer
    x = 1,643.88

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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.