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Finding the Fourth Proportional to 5,012.58, 6,912.63 and 3,739.27

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Solution

The fourth proportional to 5,012.58, 6,912.63 and 3,739.27 is: 5,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.58 : 6,912.63 = 3,739.27 : x
  2. Step 2: Convert to fraction form
    5,012.58/6,912.63 = 3,739.27/x
  3. Step 3: Cross multiply
    5,012.58x = 6,912.63 × 3,739.27
  4. Step 4: Simplify right side
    5,012.58x = 25,848,198.62
  5. Step 5: Solve for x
    x = 25,848,198.62/5,012.58
  6. Step 6: Final answer
    x = 5,156.67

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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.