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Finding the Fourth Proportional to 4,808.75, 7,213.13 and 1,160.75

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Solution

The fourth proportional to 4,808.75, 7,213.13 and 1,160.75 is: 1,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.75 : 7,213.13 = 1,160.75 : x
  2. Step 2: Convert to fraction form
    4,808.75/7,213.13 = 1,160.75/x
  3. Step 3: Cross multiply
    4,808.75x = 7,213.13 × 1,160.75
  4. Step 4: Simplify right side
    4,808.75x = 8,372,640.65
  5. Step 5: Solve for x
    x = 8,372,640.65/4,808.75
  6. Step 6: Final answer
    x = 1,741.13

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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.