Home / 5,553.25-7,662.26-3,314.76

Finding the Fourth Proportional to 5,553.25, 7,662.26 and 3,314.76

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Solution

The fourth proportional to 5,553.25, 7,662.26 and 3,314.76 is: 4,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.25 : 7,662.26 = 3,314.76 : x
  2. Step 2: Convert to fraction form
    5,553.25/7,662.26 = 3,314.76/x
  3. Step 3: Cross multiply
    5,553.25x = 7,662.26 × 3,314.76
  4. Step 4: Simplify right side
    5,553.25x = 25,398,552.96
  5. Step 5: Solve for x
    x = 25,398,552.96/5,553.25
  6. Step 6: Final answer
    x = 4,573.64

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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.