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Finding the Fourth Proportional to 4,840, 6,680.02 and 2,745.34

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Solution

The fourth proportional to 4,840, 6,680.02 and 2,745.34 is: 3,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840 : 6,680.02 = 2,745.34 : x
  2. Step 2: Convert to fraction form
    4,840/6,680.02 = 2,745.34/x
  3. Step 3: Cross multiply
    4,840x = 6,680.02 × 2,745.34
  4. Step 4: Simplify right side
    4,840x = 18,338,926.11
  5. Step 5: Solve for x
    x = 18,338,926.11/4,840
  6. Step 6: Final answer
    x = 3,789.03

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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.