Home / 1,932.77-2,667.66-1,372.66

Finding the Fourth Proportional to 1,932.77, 2,667.66 and 1,372.66

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Solution

The fourth proportional to 1,932.77, 2,667.66 and 1,372.66 is: 1,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.77 : 2,667.66 = 1,372.66 : x
  2. Step 2: Convert to fraction form
    1,932.77/2,667.66 = 1,372.66/x
  3. Step 3: Cross multiply
    1,932.77x = 2,667.66 × 1,372.66
  4. Step 4: Simplify right side
    1,932.77x = 3,661,790.18
  5. Step 5: Solve for x
    x = 3,661,790.18/1,932.77
  6. Step 6: Final answer
    x = 1,894.58

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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.