Home / 7,850.27-11,775.40-3,687.22

Finding the Fourth Proportional to 7,850.27, 11,775.40 and 3,687.22

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Solution

The fourth proportional to 7,850.27, 11,775.40 and 3,687.22 is: 5,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.27 : 11,775.40 = 3,687.22 : x
  2. Step 2: Convert to fraction form
    7,850.27/11,775.40 = 3,687.22/x
  3. Step 3: Cross multiply
    7,850.27x = 11,775.40 × 3,687.22
  4. Step 4: Simplify right side
    7,850.27x = 43,418,506.26
  5. Step 5: Solve for x
    x = 43,418,506.26/7,850.27
  6. Step 6: Final answer
    x = 5,530.83

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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.