Home / 5,208.39-7,187.52-2,850.54

Finding the Fourth Proportional to 5,208.39, 7,187.52 and 2,850.54

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Solution

The fourth proportional to 5,208.39, 7,187.52 and 2,850.54 is: 3,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.39 : 7,187.52 = 2,850.54 : x
  2. Step 2: Convert to fraction form
    5,208.39/7,187.52 = 2,850.54/x
  3. Step 3: Cross multiply
    5,208.39x = 7,187.52 × 2,850.54
  4. Step 4: Simplify right side
    5,208.39x = 20,488,313.26
  5. Step 5: Solve for x
    x = 20,488,313.26/5,208.39
  6. Step 6: Final answer
    x = 3,933.71

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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.