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Finding the Fourth Proportional to 3,462.69, 5,194.02 and 997.50

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Solution

The fourth proportional to 3,462.69, 5,194.02 and 997.50 is: 1,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.69 : 5,194.02 = 997.50 : x
  2. Step 2: Convert to fraction form
    3,462.69/5,194.02 = 997.50/x
  3. Step 3: Cross multiply
    3,462.69x = 5,194.02 × 997.50
  4. Step 4: Simplify right side
    3,462.69x = 5,181,034.95
  5. Step 5: Solve for x
    x = 5,181,034.95/3,462.69
  6. Step 6: Final answer
    x = 1,496.25

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Double scale
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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.