Home / 5,608.78-8,399.32-4,180.60

Finding the Fourth Proportional to 5,608.78, 8,399.32 and 4,180.60

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Solution

The fourth proportional to 5,608.78, 8,399.32 and 4,180.60 is: 6,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.78 : 8,399.32 = 4,180.60 : x
  2. Step 2: Convert to fraction form
    5,608.78/8,399.32 = 4,180.60/x
  3. Step 3: Cross multiply
    5,608.78x = 8,399.32 × 4,180.60
  4. Step 4: Simplify right side
    5,608.78x = 35,114,197.19
  5. Step 5: Solve for x
    x = 35,114,197.19/5,608.78
  6. Step 6: Final answer
    x = 6,260.58

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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.