Home / 3,255.89-4,496.85-2,191.95

Finding the Fourth Proportional to 3,255.89, 4,496.85 and 2,191.95

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Solution

The fourth proportional to 3,255.89, 4,496.85 and 2,191.95 is: 3,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.89 : 4,496.85 = 2,191.95 : x
  2. Step 2: Convert to fraction form
    3,255.89/4,496.85 = 2,191.95/x
  3. Step 3: Cross multiply
    3,255.89x = 4,496.85 × 2,191.95
  4. Step 4: Simplify right side
    3,255.89x = 9,856,870.36
  5. Step 5: Solve for x
    x = 9,856,870.36/3,255.89
  6. Step 6: Final answer
    x = 3,027.40

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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.