Home / 2,186.03-3,016.68-1,191.29

Finding the Fourth Proportional to 2,186.03, 3,016.68 and 1,191.29

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Solution

The fourth proportional to 2,186.03, 3,016.68 and 1,191.29 is: 1,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.03 : 3,016.68 = 1,191.29 : x
  2. Step 2: Convert to fraction form
    2,186.03/3,016.68 = 1,191.29/x
  3. Step 3: Cross multiply
    2,186.03x = 3,016.68 × 1,191.29
  4. Step 4: Simplify right side
    2,186.03x = 3,593,725.63
  5. Step 5: Solve for x
    x = 3,593,725.63/2,186.03
  6. Step 6: Final answer
    x = 1,643.95

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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.