Home / 4,940.96-7,439.42-4,359.78

Finding the Fourth Proportional to 4,940.96, 7,439.42 and 4,359.78

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Solution

The fourth proportional to 4,940.96, 7,439.42 and 4,359.78 is: 6,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.96 : 7,439.42 = 4,359.78 : x
  2. Step 2: Convert to fraction form
    4,940.96/7,439.42 = 4,359.78/x
  3. Step 3: Cross multiply
    4,940.96x = 7,439.42 × 4,359.78
  4. Step 4: Simplify right side
    4,940.96x = 32,434,245.43
  5. Step 5: Solve for x
    x = 32,434,245.43/4,940.96
  6. Step 6: Final answer
    x = 6,564.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.