Home / 4,846.20-7,272.36-2,072.88

Finding the Fourth Proportional to 4,846.20, 7,272.36 and 2,072.88

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Solution

The fourth proportional to 4,846.20, 7,272.36 and 2,072.88 is: 3,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,846.20 : 7,272.36 = 2,072.88 : x
  2. Step 2: Convert to fraction form
    4,846.20/7,272.36 = 2,072.88/x
  3. Step 3: Cross multiply
    4,846.20x = 7,272.36 × 2,072.88
  4. Step 4: Simplify right side
    4,846.20x = 15,074,729.60
  5. Step 5: Solve for x
    x = 15,074,729.60/4,846.20
  6. Step 6: Final answer
    x = 3,110.63

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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.