Home / 5,213.02-7,195.23-3,222.38

Finding the Fourth Proportional to 5,213.02, 7,195.23 and 3,222.38

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Solution

The fourth proportional to 5,213.02, 7,195.23 and 3,222.38 is: 4,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.02 : 7,195.23 = 3,222.38 : x
  2. Step 2: Convert to fraction form
    5,213.02/7,195.23 = 3,222.38/x
  3. Step 3: Cross multiply
    5,213.02x = 7,195.23 × 3,222.38
  4. Step 4: Simplify right side
    5,213.02x = 23,185,729.27
  5. Step 5: Solve for x
    x = 23,185,729.27/5,213.02
  6. Step 6: Final answer
    x = 4,447.66

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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.