Home / 5,755.94-7,940.70-3,629.79

Finding the Fourth Proportional to 5,755.94, 7,940.70 and 3,629.79

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Solution

The fourth proportional to 5,755.94, 7,940.70 and 3,629.79 is: 5,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.94 : 7,940.70 = 3,629.79 : x
  2. Step 2: Convert to fraction form
    5,755.94/7,940.70 = 3,629.79/x
  3. Step 3: Cross multiply
    5,755.94x = 7,940.70 × 3,629.79
  4. Step 4: Simplify right side
    5,755.94x = 28,823,073.45
  5. Step 5: Solve for x
    x = 28,823,073.45/5,755.94
  6. Step 6: Final answer
    x = 5,007.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.