Home / 5,921.27-8,171.07-3,401.60

Finding the Fourth Proportional to 5,921.27, 8,171.07 and 3,401.60

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Solution

The fourth proportional to 5,921.27, 8,171.07 and 3,401.60 is: 4,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.27 : 8,171.07 = 3,401.60 : x
  2. Step 2: Convert to fraction form
    5,921.27/8,171.07 = 3,401.60/x
  3. Step 3: Cross multiply
    5,921.27x = 8,171.07 × 3,401.60
  4. Step 4: Simplify right side
    5,921.27x = 27,794,711.71
  5. Step 5: Solve for x
    x = 27,794,711.71/5,921.27
  6. Step 6: Final answer
    x = 4,694.05

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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.