Home / 5,553.19-7,663.64-3,195.33

Finding the Fourth Proportional to 5,553.19, 7,663.64 and 3,195.33

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Solution

The fourth proportional to 5,553.19, 7,663.64 and 3,195.33 is: 4,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.19 : 7,663.64 = 3,195.33 : x
  2. Step 2: Convert to fraction form
    5,553.19/7,663.64 = 3,195.33/x
  3. Step 3: Cross multiply
    5,553.19x = 7,663.64 × 3,195.33
  4. Step 4: Simplify right side
    5,553.19x = 24,487,858.80
  5. Step 5: Solve for x
    x = 24,487,858.80/5,553.19
  6. Step 6: Final answer
    x = 4,409.69

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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.