Home / 3,074.22-4,235.04-2,540.88

Finding the Fourth Proportional to 3,074.22, 4,235.04 and 2,540.88

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Solution

The fourth proportional to 3,074.22, 4,235.04 and 2,540.88 is: 3,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.22 : 4,235.04 = 2,540.88 : x
  2. Step 2: Convert to fraction form
    3,074.22/4,235.04 = 2,540.88/x
  3. Step 3: Cross multiply
    3,074.22x = 4,235.04 × 2,540.88
  4. Step 4: Simplify right side
    3,074.22x = 10,760,728.44
  5. Step 5: Solve for x
    x = 10,760,728.44/3,074.22
  6. Step 6: Final answer
    x = 3,500.31

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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.