Home / 4,059.36-6,078.78-3,399.62

Finding the Fourth Proportional to 4,059.36, 6,078.78 and 3,399.62

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Solution

The fourth proportional to 4,059.36, 6,078.78 and 3,399.62 is: 5,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.36 : 6,078.78 = 3,399.62 : x
  2. Step 2: Convert to fraction form
    4,059.36/6,078.78 = 3,399.62/x
  3. Step 3: Cross multiply
    4,059.36x = 6,078.78 × 3,399.62
  4. Step 4: Simplify right side
    4,059.36x = 20,665,511.67
  5. Step 5: Solve for x
    x = 20,665,511.67/4,059.36
  6. Step 6: Final answer
    x = 5,090.83

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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.