Home / 2,745.91-3,787.45-2,329.03

Finding the Fourth Proportional to 2,745.91, 3,787.45 and 2,329.03

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Solution

The fourth proportional to 2,745.91, 3,787.45 and 2,329.03 is: 3,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.91 : 3,787.45 = 2,329.03 : x
  2. Step 2: Convert to fraction form
    2,745.91/3,787.45 = 2,329.03/x
  3. Step 3: Cross multiply
    2,745.91x = 3,787.45 × 2,329.03
  4. Step 4: Simplify right side
    2,745.91x = 8,821,084.67
  5. Step 5: Solve for x
    x = 8,821,084.67/2,745.91
  6. Step 6: Final answer
    x = 3,212.44

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1.5x scale

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.