Home / 4,416.12-6,622.88-3,179.80

Finding the Fourth Proportional to 4,416.12, 6,622.88 and 3,179.80

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Solution

The fourth proportional to 4,416.12, 6,622.88 and 3,179.80 is: 4,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.12 : 6,622.88 = 3,179.80 : x
  2. Step 2: Convert to fraction form
    4,416.12/6,622.88 = 3,179.80/x
  3. Step 3: Cross multiply
    4,416.12x = 6,622.88 × 3,179.80
  4. Step 4: Simplify right side
    4,416.12x = 21,059,433.82
  5. Step 5: Solve for x
    x = 21,059,433.82/4,416.12
  6. Step 6: Final answer
    x = 4,768.76

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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.