Home / 7,442.75-11,162.24-2,760.18

Finding the Fourth Proportional to 7,442.75, 11,162.24 and 2,760.18

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Solution

The fourth proportional to 7,442.75, 11,162.24 and 2,760.18 is: 4,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.75 : 11,162.24 = 2,760.18 : x
  2. Step 2: Convert to fraction form
    7,442.75/11,162.24 = 2,760.18/x
  3. Step 3: Cross multiply
    7,442.75x = 11,162.24 × 2,760.18
  4. Step 4: Simplify right side
    7,442.75x = 30,809,791.60
  5. Step 5: Solve for x
    x = 30,809,791.60/7,442.75
  6. Step 6: Final answer
    x = 4,139.57

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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.