Home / 1,932.12-2,667.23-1,295.14

Finding the Fourth Proportional to 1,932.12, 2,667.23 and 1,295.14

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Solution

The fourth proportional to 1,932.12, 2,667.23 and 1,295.14 is: 1,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.12 : 2,667.23 = 1,295.14 : x
  2. Step 2: Convert to fraction form
    1,932.12/2,667.23 = 1,295.14/x
  3. Step 3: Cross multiply
    1,932.12x = 2,667.23 × 1,295.14
  4. Step 4: Simplify right side
    1,932.12x = 3,454,436.26
  5. Step 5: Solve for x
    x = 3,454,436.26/1,932.12
  6. Step 6: Final answer
    x = 1,787.90

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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.