Home / 6,202.78-8,556.24-4,078.69

Finding the Fourth Proportional to 6,202.78, 8,556.24 and 4,078.69

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Solution

The fourth proportional to 6,202.78, 8,556.24 and 4,078.69 is: 5,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,202.78 : 8,556.24 = 4,078.69 : x
  2. Step 2: Convert to fraction form
    6,202.78/8,556.24 = 4,078.69/x
  3. Step 3: Cross multiply
    6,202.78x = 8,556.24 × 4,078.69
  4. Step 4: Simplify right side
    6,202.78x = 34,898,250.53
  5. Step 5: Solve for x
    x = 34,898,250.53/6,202.78
  6. Step 6: Final answer
    x = 5,626.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.