Home / 3,255.30-4,877.55-3,060.90

Finding the Fourth Proportional to 3,255.30, 4,877.55 and 3,060.90

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Solution

The fourth proportional to 3,255.30, 4,877.55 and 3,060.90 is: 4,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.30 : 4,877.55 = 3,060.90 : x
  2. Step 2: Convert to fraction form
    3,255.30/4,877.55 = 3,060.90/x
  3. Step 3: Cross multiply
    3,255.30x = 4,877.55 × 3,060.90
  4. Step 4: Simplify right side
    3,255.30x = 14,929,692.80
  5. Step 5: Solve for x
    x = 14,929,692.80/3,255.30
  6. Step 6: Final answer
    x = 4,586.27

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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.