Home / 3,705.92-5,550.66-2,662.80

Finding the Fourth Proportional to 3,705.92, 5,550.66 and 2,662.80

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Solution

The fourth proportional to 3,705.92, 5,550.66 and 2,662.80 is: 3,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.92 : 5,550.66 = 2,662.80 : x
  2. Step 2: Convert to fraction form
    3,705.92/5,550.66 = 2,662.80/x
  3. Step 3: Cross multiply
    3,705.92x = 5,550.66 × 2,662.80
  4. Step 4: Simplify right side
    3,705.92x = 14,780,297.45
  5. Step 5: Solve for x
    x = 14,780,297.45/3,705.92
  6. Step 6: Final answer
    x = 3,988.30

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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.