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Finding the Fourth Proportional to 3,673.85, 5,071.10 and 2,351.12

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Solution

The fourth proportional to 3,673.85, 5,071.10 and 2,351.12 is: 3,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.85 : 5,071.10 = 2,351.12 : x
  2. Step 2: Convert to fraction form
    3,673.85/5,071.10 = 2,351.12/x
  3. Step 3: Cross multiply
    3,673.85x = 5,071.10 × 2,351.12
  4. Step 4: Simplify right side
    3,673.85x = 11,922,727.52
  5. Step 5: Solve for x
    x = 11,922,727.52/3,673.85
  6. Step 6: Final answer
    x = 3,245.30

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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.