Home / 3,200.66-4,416.91-1,803.41

Finding the Fourth Proportional to 3,200.66, 4,416.91 and 1,803.41

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Solution

The fourth proportional to 3,200.66, 4,416.91 and 1,803.41 is: 2,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.66 : 4,416.91 = 1,803.41 : x
  2. Step 2: Convert to fraction form
    3,200.66/4,416.91 = 1,803.41/x
  3. Step 3: Cross multiply
    3,200.66x = 4,416.91 × 1,803.41
  4. Step 4: Simplify right side
    3,200.66x = 7,965,524.62
  5. Step 5: Solve for x
    x = 7,965,524.62/3,200.66
  6. Step 6: Final answer
    x = 2,488.71

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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.