Home / 3,164.19-4,367.64-2,170.95

Finding the Fourth Proportional to 3,164.19, 4,367.64 and 2,170.95

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Solution

The fourth proportional to 3,164.19, 4,367.64 and 2,170.95 is: 2,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.19 : 4,367.64 = 2,170.95 : x
  2. Step 2: Convert to fraction form
    3,164.19/4,367.64 = 2,170.95/x
  3. Step 3: Cross multiply
    3,164.19x = 4,367.64 × 2,170.95
  4. Step 4: Simplify right side
    3,164.19x = 9,481,928.06
  5. Step 5: Solve for x
    x = 9,481,928.06/3,164.19
  6. Step 6: Final answer
    x = 2,996.64

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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.