Home / 5,208.41-7,187.60-2,850.55

Finding the Fourth Proportional to 5,208.41, 7,187.60 and 2,850.55

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Solution

The fourth proportional to 5,208.41, 7,187.60 and 2,850.55 is: 3,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.41 : 7,187.60 = 2,850.55 : x
  2. Step 2: Convert to fraction form
    5,208.41/7,187.60 = 2,850.55/x
  3. Step 3: Cross multiply
    5,208.41x = 7,187.60 × 2,850.55
  4. Step 4: Simplify right side
    5,208.41x = 20,488,613.18
  5. Step 5: Solve for x
    x = 20,488,613.18/5,208.41
  6. Step 6: Final answer
    x = 3,933.76

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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.