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Finding the Fourth Proportional to 6,383.25, 8,809.16 and 3,588.75

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Solution

The fourth proportional to 6,383.25, 8,809.16 and 3,588.75 is: 4,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.25 : 8,809.16 = 3,588.75 : x
  2. Step 2: Convert to fraction form
    6,383.25/8,809.16 = 3,588.75/x
  3. Step 3: Cross multiply
    6,383.25x = 8,809.16 × 3,588.75
  4. Step 4: Simplify right side
    6,383.25x = 31,613,855.01
  5. Step 5: Solve for x
    x = 31,613,855.01/6,383.25
  6. Step 6: Final answer
    x = 4,952.63

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Find fourth proportional to 3,191.63, 4,404.58 and 1,794.38
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.