Home / 4,127.76-5,695.22-2,449.53

Finding the Fourth Proportional to 4,127.76, 5,695.22 and 2,449.53

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Solution

The fourth proportional to 4,127.76, 5,695.22 and 2,449.53 is: 3,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.76 : 5,695.22 = 2,449.53 : x
  2. Step 2: Convert to fraction form
    4,127.76/5,695.22 = 2,449.53/x
  3. Step 3: Cross multiply
    4,127.76x = 5,695.22 × 2,449.53
  4. Step 4: Simplify right side
    4,127.76x = 13,950,618.37
  5. Step 5: Solve for x
    x = 13,950,618.37/4,127.76
  6. Step 6: Final answer
    x = 3,379.71

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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.