Home / 7,452.05-11,175.31-2,185.71

Finding the Fourth Proportional to 7,452.05, 11,175.31 and 2,185.71

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Solution

The fourth proportional to 7,452.05, 11,175.31 and 2,185.71 is: 3,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.05 : 11,175.31 = 2,185.71 : x
  2. Step 2: Convert to fraction form
    7,452.05/11,175.31 = 2,185.71/x
  3. Step 3: Cross multiply
    7,452.05x = 11,175.31 × 2,185.71
  4. Step 4: Simplify right side
    7,452.05x = 24,425,986.82
  5. Step 5: Solve for x
    x = 24,425,986.82/7,452.05
  6. Step 6: Final answer
    x = 3,277.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.