Home / 5,233.68-7,850.79-1,338.12

Finding the Fourth Proportional to 5,233.68, 7,850.79 and 1,338.12

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Solution

The fourth proportional to 5,233.68, 7,850.79 and 1,338.12 is: 2,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.68 : 7,850.79 = 1,338.12 : x
  2. Step 2: Convert to fraction form
    5,233.68/7,850.79 = 1,338.12/x
  3. Step 3: Cross multiply
    5,233.68x = 7,850.79 × 1,338.12
  4. Step 4: Simplify right side
    5,233.68x = 10,505,299.11
  5. Step 5: Solve for x
    x = 10,505,299.11/5,233.68
  6. Step 6: Final answer
    x = 2,007.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.