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Finding the Fourth Proportional to 7,183.67, 10,775.39 and 3,486.22

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Solution

The fourth proportional to 7,183.67, 10,775.39 and 3,486.22 is: 5,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.67 : 10,775.39 = 3,486.22 : x
  2. Step 2: Convert to fraction form
    7,183.67/10,775.39 = 3,486.22/x
  3. Step 3: Cross multiply
    7,183.67x = 10,775.39 × 3,486.22
  4. Step 4: Simplify right side
    7,183.67x = 37,565,335.76
  5. Step 5: Solve for x
    x = 37,565,335.76/7,183.67
  6. Step 6: Final answer
    x = 5,229.27

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Half scale
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Double scale
Find fourth proportional to 7,184.67, 10,776.88 and 3,487.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.