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Finding the Fourth Proportional to 5,159.58, 7,739.78 and 3,093.68

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Solution

The fourth proportional to 5,159.58, 7,739.78 and 3,093.68 is: 4,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.58 : 7,739.78 = 3,093.68 : x
  2. Step 2: Convert to fraction form
    5,159.58/7,739.78 = 3,093.68/x
  3. Step 3: Cross multiply
    5,159.58x = 7,739.78 × 3,093.68
  4. Step 4: Simplify right side
    5,159.58x = 23,944,402.59
  5. Step 5: Solve for x
    x = 23,944,402.59/5,159.58
  6. Step 6: Final answer
    x = 4,640.77

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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.