Home / 3,163.65-4,365.25-2,222.31

Finding the Fourth Proportional to 3,163.65, 4,365.25 and 2,222.31

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Solution

The fourth proportional to 3,163.65, 4,365.25 and 2,222.31 is: 3,066.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.65 : 4,365.25 = 2,222.31 : x
  2. Step 2: Convert to fraction form
    3,163.65/4,365.25 = 2,222.31/x
  3. Step 3: Cross multiply
    3,163.65x = 4,365.25 × 2,222.31
  4. Step 4: Simplify right side
    3,163.65x = 9,700,938.73
  5. Step 5: Solve for x
    x = 9,700,938.73/3,163.65
  6. Step 6: Final answer
    x = 3,066.38

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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.