Home / 5,449.71-8,172.30-3,366.66

Finding the Fourth Proportional to 5,449.71, 8,172.30 and 3,366.66

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Solution

The fourth proportional to 5,449.71, 8,172.30 and 3,366.66 is: 5,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.71 : 8,172.30 = 3,366.66 : x
  2. Step 2: Convert to fraction form
    5,449.71/8,172.30 = 3,366.66/x
  3. Step 3: Cross multiply
    5,449.71x = 8,172.30 × 3,366.66
  4. Step 4: Simplify right side
    5,449.71x = 27,513,355.52
  5. Step 5: Solve for x
    x = 27,513,355.52/5,449.71
  6. Step 6: Final answer
    x = 5,048.59

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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.