Home / 3,860.11-5,326.97-2,266.39

Finding the Fourth Proportional to 3,860.11, 5,326.97 and 2,266.39

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Solution

The fourth proportional to 3,860.11, 5,326.97 and 2,266.39 is: 3,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.11 : 5,326.97 = 2,266.39 : x
  2. Step 2: Convert to fraction form
    3,860.11/5,326.97 = 2,266.39/x
  3. Step 3: Cross multiply
    3,860.11x = 5,326.97 × 2,266.39
  4. Step 4: Simplify right side
    3,860.11x = 12,072,991.54
  5. Step 5: Solve for x
    x = 12,072,991.54/3,860.11
  6. Step 6: Final answer
    x = 3,127.63

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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.