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Finding the Fourth Proportional to 5,608.91, 7,739.99 and 3,370.37

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Solution

The fourth proportional to 5,608.91, 7,739.99 and 3,370.37 is: 4,650.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.91 : 7,739.99 = 3,370.37 : x
  2. Step 2: Convert to fraction form
    5,608.91/7,739.99 = 3,370.37/x
  3. Step 3: Cross multiply
    5,608.91x = 7,739.99 × 3,370.37
  4. Step 4: Simplify right side
    5,608.91x = 26,086,613.24
  5. Step 5: Solve for x
    x = 26,086,613.24/5,608.91
  6. Step 6: Final answer
    x = 4,650.92

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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.