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Finding the Fourth Proportional to 3,462.93, 5,193.64 and 997.22

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Solution

The fourth proportional to 3,462.93, 5,193.64 and 997.22 is: 1,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.93 : 5,193.64 = 997.22 : x
  2. Step 2: Convert to fraction form
    3,462.93/5,193.64 = 997.22/x
  3. Step 3: Cross multiply
    3,462.93x = 5,193.64 × 997.22
  4. Step 4: Simplify right side
    3,462.93x = 5,179,190.00
  5. Step 5: Solve for x
    x = 5,179,190.00/3,462.93
  6. Step 6: Final answer
    x = 1,495.61

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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.