Home / 5,221.17-7,193.21-3,892.23

Finding the Fourth Proportional to 5,221.17, 7,193.21 and 3,892.23

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Solution

The fourth proportional to 5,221.17, 7,193.21 and 3,892.23 is: 5,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.17 : 7,193.21 = 3,892.23 : x
  2. Step 2: Convert to fraction form
    5,221.17/7,193.21 = 3,892.23/x
  3. Step 3: Cross multiply
    5,221.17x = 7,193.21 × 3,892.23
  4. Step 4: Simplify right side
    5,221.17x = 27,997,608.30
  5. Step 5: Solve for x
    x = 27,997,608.30/5,221.17
  6. Step 6: Final answer
    x = 5,362.32

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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.