Home / 4,127.72-5,695.35-2,449.73

Finding the Fourth Proportional to 4,127.72, 5,695.35 and 2,449.73

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Solution

The fourth proportional to 4,127.72, 5,695.35 and 2,449.73 is: 3,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.72 : 5,695.35 = 2,449.73 : x
  2. Step 2: Convert to fraction form
    4,127.72/5,695.35 = 2,449.73/x
  3. Step 3: Cross multiply
    4,127.72x = 5,695.35 × 2,449.73
  4. Step 4: Simplify right side
    4,127.72x = 13,952,041.28
  5. Step 5: Solve for x
    x = 13,952,041.28/4,127.72
  6. Step 6: Final answer
    x = 3,380.09

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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.