Home / 5,177.22-7,767.72-2,544.45

Finding the Fourth Proportional to 5,177.22, 7,767.72 and 2,544.45

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Solution

The fourth proportional to 5,177.22, 7,767.72 and 2,544.45 is: 3,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.22 : 7,767.72 = 2,544.45 : x
  2. Step 2: Convert to fraction form
    5,177.22/7,767.72 = 2,544.45/x
  3. Step 3: Cross multiply
    5,177.22x = 7,767.72 × 2,544.45
  4. Step 4: Simplify right side
    5,177.22x = 19,764,575.15
  5. Step 5: Solve for x
    x = 19,764,575.15/5,177.22
  6. Step 6: Final answer
    x = 3,817.60

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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.