Home / 3,926.49-5,418.86-2,248.43

Finding the Fourth Proportional to 3,926.49, 5,418.86 and 2,248.43

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Solution

The fourth proportional to 3,926.49, 5,418.86 and 2,248.43 is: 3,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.49 : 5,418.86 = 2,248.43 : x
  2. Step 2: Convert to fraction form
    3,926.49/5,418.86 = 2,248.43/x
  3. Step 3: Cross multiply
    3,926.49x = 5,418.86 × 2,248.43
  4. Step 4: Simplify right side
    3,926.49x = 12,183,889.05
  5. Step 5: Solve for x
    x = 12,183,889.05/3,926.49
  6. Step 6: Final answer
    x = 3,103.00

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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.