Home / 4,213.91-5,811.96-3,222.47

Finding the Fourth Proportional to 4,213.91, 5,811.96 and 3,222.47

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Solution

The fourth proportional to 4,213.91, 5,811.96 and 3,222.47 is: 4,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.91 : 5,811.96 = 3,222.47 : x
  2. Step 2: Convert to fraction form
    4,213.91/5,811.96 = 3,222.47/x
  3. Step 3: Cross multiply
    4,213.91x = 5,811.96 × 3,222.47
  4. Step 4: Simplify right side
    4,213.91x = 18,728,866.74
  5. Step 5: Solve for x
    x = 18,728,866.74/4,213.91
  6. Step 6: Final answer
    x = 4,444.53

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Half scale
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Double scale
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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.