Home / 2,125.89-3,188.85-2,032.95

Finding the Fourth Proportional to 2,125.89, 3,188.85 and 2,032.95

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Solution

The fourth proportional to 2,125.89, 3,188.85 and 2,032.95 is: 3,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.89 : 3,188.85 = 2,032.95 : x
  2. Step 2: Convert to fraction form
    2,125.89/3,188.85 = 2,032.95/x
  3. Step 3: Cross multiply
    2,125.89x = 3,188.85 × 2,032.95
  4. Step 4: Simplify right side
    2,125.89x = 6,482,772.61
  5. Step 5: Solve for x
    x = 6,482,772.61/2,125.89
  6. Step 6: Final answer
    x = 3,049.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.