Home / 5,245.25-7,867.88-2,167.33

Finding the Fourth Proportional to 5,245.25, 7,867.88 and 2,167.33

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Solution

The fourth proportional to 5,245.25, 7,867.88 and 2,167.33 is: 3,251.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.25 : 7,867.88 = 2,167.33 : x
  2. Step 2: Convert to fraction form
    5,245.25/7,867.88 = 2,167.33/x
  3. Step 3: Cross multiply
    5,245.25x = 7,867.88 × 2,167.33
  4. Step 4: Simplify right side
    5,245.25x = 17,052,292.36
  5. Step 5: Solve for x
    x = 17,052,292.36/5,245.25
  6. Step 6: Final answer
    x = 3,251.00

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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.