Home / 4,179.50-5,766.12-2,763.86

Finding the Fourth Proportional to 4,179.50, 5,766.12 and 2,763.86

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Solution

The fourth proportional to 4,179.50, 5,766.12 and 2,763.86 is: 3,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.50 : 5,766.12 = 2,763.86 : x
  2. Step 2: Convert to fraction form
    4,179.50/5,766.12 = 2,763.86/x
  3. Step 3: Cross multiply
    4,179.50x = 5,766.12 × 2,763.86
  4. Step 4: Simplify right side
    4,179.50x = 15,936,748.42
  5. Step 5: Solve for x
    x = 15,936,748.42/4,179.50
  6. Step 6: Final answer
    x = 3,813.08

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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.