Home / 5,144.12-7,717.08-2,222.54

Finding the Fourth Proportional to 5,144.12, 7,717.08 and 2,222.54

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Solution

The fourth proportional to 5,144.12, 7,717.08 and 2,222.54 is: 3,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.12 : 7,717.08 = 2,222.54 : x
  2. Step 2: Convert to fraction form
    5,144.12/7,717.08 = 2,222.54/x
  3. Step 3: Cross multiply
    5,144.12x = 7,717.08 × 2,222.54
  4. Step 4: Simplify right side
    5,144.12x = 17,151,518.98
  5. Step 5: Solve for x
    x = 17,151,518.98/5,144.12
  6. Step 6: Final answer
    x = 3,334.20

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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.