Home / 5,570.78-8,352.38-2,649.38

Finding the Fourth Proportional to 5,570.78, 8,352.38 and 2,649.38

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Solution

The fourth proportional to 5,570.78, 8,352.38 and 2,649.38 is: 3,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.78 : 8,352.38 = 2,649.38 : x
  2. Step 2: Convert to fraction form
    5,570.78/8,352.38 = 2,649.38/x
  3. Step 3: Cross multiply
    5,570.78x = 8,352.38 × 2,649.38
  4. Step 4: Simplify right side
    5,570.78x = 22,128,593.39
  5. Step 5: Solve for x
    x = 22,128,593.39/5,570.78
  6. Step 6: Final answer
    x = 3,972.26

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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.