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Finding the Fourth Proportional to 5,791.68, 8,000.19 and 4,439.07

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Solution

The fourth proportional to 5,791.68, 8,000.19 and 4,439.07 is: 6,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.68 : 8,000.19 = 4,439.07 : x
  2. Step 2: Convert to fraction form
    5,791.68/8,000.19 = 4,439.07/x
  3. Step 3: Cross multiply
    5,791.68x = 8,000.19 × 4,439.07
  4. Step 4: Simplify right side
    5,791.68x = 35,513,403.42
  5. Step 5: Solve for x
    x = 35,513,403.42/5,791.68
  6. Step 6: Final answer
    x = 6,131.80

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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.