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Finding the Fourth Proportional to 5,771.52, 7,998.21 and 5,684.04

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Solution

The fourth proportional to 5,771.52, 7,998.21 and 5,684.04 is: 7,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.52 : 7,998.21 = 5,684.04 : x
  2. Step 2: Convert to fraction form
    5,771.52/7,998.21 = 5,684.04/x
  3. Step 3: Cross multiply
    5,771.52x = 7,998.21 × 5,684.04
  4. Step 4: Simplify right side
    5,771.52x = 45,462,145.57
  5. Step 5: Solve for x
    x = 45,462,145.57/5,771.52
  6. Step 6: Final answer
    x = 7,876.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.