Home / 5,266.71-7,267.05-3,170.97

Finding the Fourth Proportional to 5,266.71, 7,267.05 and 3,170.97

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Solution

The fourth proportional to 5,266.71, 7,267.05 and 3,170.97 is: 4,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.71 : 7,267.05 = 3,170.97 : x
  2. Step 2: Convert to fraction form
    5,266.71/7,267.05 = 3,170.97/x
  3. Step 3: Cross multiply
    5,266.71x = 7,267.05 × 3,170.97
  4. Step 4: Simplify right side
    5,266.71x = 23,043,597.54
  5. Step 5: Solve for x
    x = 23,043,597.54/5,266.71
  6. Step 6: Final answer
    x = 4,375.33

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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.