Home / 1,936.74-2,673.36-1,190.73

Finding the Fourth Proportional to 1,936.74, 2,673.36 and 1,190.73

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Solution

The fourth proportional to 1,936.74, 2,673.36 and 1,190.73 is: 1,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.74 : 2,673.36 = 1,190.73 : x
  2. Step 2: Convert to fraction form
    1,936.74/2,673.36 = 1,190.73/x
  3. Step 3: Cross multiply
    1,936.74x = 2,673.36 × 1,190.73
  4. Step 4: Simplify right side
    1,936.74x = 3,183,249.95
  5. Step 5: Solve for x
    x = 3,183,249.95/1,936.74
  6. Step 6: Final answer
    x = 1,643.61

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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.