Home / 5,191.06-7,164.21-3,067.65

Finding the Fourth Proportional to 5,191.06, 7,164.21 and 3,067.65

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Solution

The fourth proportional to 5,191.06, 7,164.21 and 3,067.65 is: 4,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.06 : 7,164.21 = 3,067.65 : x
  2. Step 2: Convert to fraction form
    5,191.06/7,164.21 = 3,067.65/x
  3. Step 3: Cross multiply
    5,191.06x = 7,164.21 × 3,067.65
  4. Step 4: Simplify right side
    5,191.06x = 21,977,288.81
  5. Step 5: Solve for x
    x = 21,977,288.81/5,191.06
  6. Step 6: Final answer
    x = 4,233.68

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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.