Home / 5,458.45-8,180.82-2,334.78

Finding the Fourth Proportional to 5,458.45, 8,180.82 and 2,334.78

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Solution

The fourth proportional to 5,458.45, 8,180.82 and 2,334.78 is: 3,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.45 : 8,180.82 = 2,334.78 : x
  2. Step 2: Convert to fraction form
    5,458.45/8,180.82 = 2,334.78/x
  3. Step 3: Cross multiply
    5,458.45x = 8,180.82 × 2,334.78
  4. Step 4: Simplify right side
    5,458.45x = 19,100,435.37
  5. Step 5: Solve for x
    x = 19,100,435.37/5,458.45
  6. Step 6: Final answer
    x = 3,499.24

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1.5x scale

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.