Home / 1,933.13-2,667.73-1,147.85

Finding the Fourth Proportional to 1,933.13, 2,667.73 and 1,147.85

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Solution

The fourth proportional to 1,933.13, 2,667.73 and 1,147.85 is: 1,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.13 : 2,667.73 = 1,147.85 : x
  2. Step 2: Convert to fraction form
    1,933.13/2,667.73 = 1,147.85/x
  3. Step 3: Cross multiply
    1,933.13x = 2,667.73 × 1,147.85
  4. Step 4: Simplify right side
    1,933.13x = 3,062,137.67
  5. Step 5: Solve for x
    x = 3,062,137.67/1,933.13
  6. Step 6: Final answer
    x = 1,584.04

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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.