Home / 3,841.41-5,299.79-2,268.39

Finding the Fourth Proportional to 3,841.41, 5,299.79 and 2,268.39

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Solution

The fourth proportional to 3,841.41, 5,299.79 and 2,268.39 is: 3,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.41 : 5,299.79 = 2,268.39 : x
  2. Step 2: Convert to fraction form
    3,841.41/5,299.79 = 2,268.39/x
  3. Step 3: Cross multiply
    3,841.41x = 5,299.79 × 2,268.39
  4. Step 4: Simplify right side
    3,841.41x = 12,021,979.30
  5. Step 5: Solve for x
    x = 12,021,979.30/3,841.41
  6. Step 6: Final answer
    x = 3,129.57

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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.