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Finding the Fourth Proportional to 5,793.88, 8,690.78 and 4,070.20

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Solution

The fourth proportional to 5,793.88, 8,690.78 and 4,070.20 is: 6,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793.88 : 8,690.78 = 4,070.20 : x
  2. Step 2: Convert to fraction form
    5,793.88/8,690.78 = 4,070.20/x
  3. Step 3: Cross multiply
    5,793.88x = 8,690.78 × 4,070.20
  4. Step 4: Simplify right side
    5,793.88x = 35,373,212.76
  5. Step 5: Solve for x
    x = 35,373,212.76/5,793.88
  6. Step 6: Final answer
    x = 6,105.27

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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.