Home / 5,608.36-8,401.78-3,135.69

Finding the Fourth Proportional to 5,608.36, 8,401.78 and 3,135.69

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Solution

The fourth proportional to 5,608.36, 8,401.78 and 3,135.69 is: 4,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.36 : 8,401.78 = 3,135.69 : x
  2. Step 2: Convert to fraction form
    5,608.36/8,401.78 = 3,135.69/x
  3. Step 3: Cross multiply
    5,608.36x = 8,401.78 × 3,135.69
  4. Step 4: Simplify right side
    5,608.36x = 26,345,340.18
  5. Step 5: Solve for x
    x = 26,345,340.18/5,608.36
  6. Step 6: Final answer
    x = 4,697.51

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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.