Home / 3,926.03-5,422.70-2,935.71

Finding the Fourth Proportional to 3,926.03, 5,422.70 and 2,935.71

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Solution

The fourth proportional to 3,926.03, 5,422.70 and 2,935.71 is: 4,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.03 : 5,422.70 = 2,935.71 : x
  2. Step 2: Convert to fraction form
    3,926.03/5,422.70 = 2,935.71/x
  3. Step 3: Cross multiply
    3,926.03x = 5,422.70 × 2,935.71
  4. Step 4: Simplify right side
    3,926.03x = 15,919,481.96
  5. Step 5: Solve for x
    x = 15,919,481.96/3,926.03
  6. Step 6: Final answer
    x = 4,054.86

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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.