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Finding the Fourth Proportional to 5,791.23, 8,698.46 and 3,455.79

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Solution

The fourth proportional to 5,791.23, 8,698.46 and 3,455.79 is: 5,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.23 : 8,698.46 = 3,455.79 : x
  2. Step 2: Convert to fraction form
    5,791.23/8,698.46 = 3,455.79/x
  3. Step 3: Cross multiply
    5,791.23x = 8,698.46 × 3,455.79
  4. Step 4: Simplify right side
    5,791.23x = 30,060,051.08
  5. Step 5: Solve for x
    x = 30,060,051.08/5,791.23
  6. Step 6: Final answer
    x = 5,190.62

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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.