Home / 5,755.34-8,631.76-2,057.82

Finding the Fourth Proportional to 5,755.34, 8,631.76 and 2,057.82

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Solution

The fourth proportional to 5,755.34, 8,631.76 and 2,057.82 is: 3,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.34 : 8,631.76 = 2,057.82 : x
  2. Step 2: Convert to fraction form
    5,755.34/8,631.76 = 2,057.82/x
  3. Step 3: Cross multiply
    5,755.34x = 8,631.76 × 2,057.82
  4. Step 4: Simplify right side
    5,755.34x = 17,762,608.36
  5. Step 5: Solve for x
    x = 17,762,608.36/5,755.34
  6. Step 6: Final answer
    x = 3,086.28

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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.