Home / 1,936.96-2,673.19-1,191.41

Finding the Fourth Proportional to 1,936.96, 2,673.19 and 1,191.41

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Solution

The fourth proportional to 1,936.96, 2,673.19 and 1,191.41 is: 1,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.96 : 2,673.19 = 1,191.41 : x
  2. Step 2: Convert to fraction form
    1,936.96/2,673.19 = 1,191.41/x
  3. Step 3: Cross multiply
    1,936.96x = 2,673.19 × 1,191.41
  4. Step 4: Simplify right side
    1,936.96x = 3,184,865.30
  5. Step 5: Solve for x
    x = 3,184,865.30/1,936.96
  6. Step 6: Final answer
    x = 1,644.26

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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.