Home / 4,783.88-7,177.66-1,664.22

Finding the Fourth Proportional to 4,783.88, 7,177.66 and 1,664.22

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Solution

The fourth proportional to 4,783.88, 7,177.66 and 1,664.22 is: 2,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.88 : 7,177.66 = 1,664.22 : x
  2. Step 2: Convert to fraction form
    4,783.88/7,177.66 = 1,664.22/x
  3. Step 3: Cross multiply
    4,783.88x = 7,177.66 × 1,664.22
  4. Step 4: Simplify right side
    4,783.88x = 11,945,205.33
  5. Step 5: Solve for x
    x = 11,945,205.33/4,783.88
  6. Step 6: Final answer
    x = 2,496.97

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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.