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Finding the Fourth Proportional to 3,093.96, 4,640.94 and 1,143.88

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Solution

The fourth proportional to 3,093.96, 4,640.94 and 1,143.88 is: 1,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.96 : 4,640.94 = 1,143.88 : x
  2. Step 2: Convert to fraction form
    3,093.96/4,640.94 = 1,143.88/x
  3. Step 3: Cross multiply
    3,093.96x = 4,640.94 × 1,143.88
  4. Step 4: Simplify right side
    3,093.96x = 5,308,678.45
  5. Step 5: Solve for x
    x = 5,308,678.45/3,093.96
  6. Step 6: Final answer
    x = 1,715.82

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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.