Home / 4,940.45-7,399.71-3,549.62

Finding the Fourth Proportional to 4,940.45, 7,399.71 and 3,549.62

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Solution

The fourth proportional to 4,940.45, 7,399.71 and 3,549.62 is: 5,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.45 : 7,399.71 = 3,549.62 : x
  2. Step 2: Convert to fraction form
    4,940.45/7,399.71 = 3,549.62/x
  3. Step 3: Cross multiply
    4,940.45x = 7,399.71 × 3,549.62
  4. Step 4: Simplify right side
    4,940.45x = 26,266,121.61
  5. Step 5: Solve for x
    x = 26,266,121.61/4,940.45
  6. Step 6: Final answer
    x = 5,316.55

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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.