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Finding the Fourth Proportional to 3,479.76, 5,212.76 and 2,093.45

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Solution

The fourth proportional to 3,479.76, 5,212.76 and 2,093.45 is: 3,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.76 : 5,212.76 = 2,093.45 : x
  2. Step 2: Convert to fraction form
    3,479.76/5,212.76 = 2,093.45/x
  3. Step 3: Cross multiply
    3,479.76x = 5,212.76 × 2,093.45
  4. Step 4: Simplify right side
    3,479.76x = 10,912,615.89
  5. Step 5: Solve for x
    x = 10,912,615.89/3,479.76
  6. Step 6: Final answer
    x = 3,136.03

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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.