Home / 5,136.77-7,092.21-3,371.37

Finding the Fourth Proportional to 5,136.77, 7,092.21 and 3,371.37

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Solution

The fourth proportional to 5,136.77, 7,092.21 and 3,371.37 is: 4,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.77 : 7,092.21 = 3,371.37 : x
  2. Step 2: Convert to fraction form
    5,136.77/7,092.21 = 3,371.37/x
  3. Step 3: Cross multiply
    5,136.77x = 7,092.21 × 3,371.37
  4. Step 4: Simplify right side
    5,136.77x = 23,910,464.03
  5. Step 5: Solve for x
    x = 23,910,464.03/5,136.77
  6. Step 6: Final answer
    x = 4,654.77

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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.