Home / 7,627.16-11,442.35-2,629.99

Finding the Fourth Proportional to 7,627.16, 11,442.35 and 2,629.99

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Solution

The fourth proportional to 7,627.16, 11,442.35 and 2,629.99 is: 3,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.16 : 11,442.35 = 2,629.99 : x
  2. Step 2: Convert to fraction form
    7,627.16/11,442.35 = 2,629.99/x
  3. Step 3: Cross multiply
    7,627.16x = 11,442.35 × 2,629.99
  4. Step 4: Simplify right side
    7,627.16x = 30,093,286.95
  5. Step 5: Solve for x
    x = 30,093,286.95/7,627.16
  6. Step 6: Final answer
    x = 3,945.54

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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.