Home / 5,086.67-7,629.23-1,755.44

Finding the Fourth Proportional to 5,086.67, 7,629.23 and 1,755.44

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Solution

The fourth proportional to 5,086.67, 7,629.23 and 1,755.44 is: 2,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.67 : 7,629.23 = 1,755.44 : x
  2. Step 2: Convert to fraction form
    5,086.67/7,629.23 = 1,755.44/x
  3. Step 3: Cross multiply
    5,086.67x = 7,629.23 × 1,755.44
  4. Step 4: Simplify right side
    5,086.67x = 13,392,655.51
  5. Step 5: Solve for x
    x = 13,392,655.51/5,086.67
  6. Step 6: Final answer
    x = 2,632.89

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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.