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Finding the Fourth Proportional to 6,374.81, 8,797.78 and 3,580.85

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Solution

The fourth proportional to 6,374.81, 8,797.78 and 3,580.85 is: 4,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.81 : 8,797.78 = 3,580.85 : x
  2. Step 2: Convert to fraction form
    6,374.81/8,797.78 = 3,580.85/x
  3. Step 3: Cross multiply
    6,374.81x = 8,797.78 × 3,580.85
  4. Step 4: Simplify right side
    6,374.81x = 31,503,556.98
  5. Step 5: Solve for x
    x = 31,503,556.98/6,374.81
  6. Step 6: Final answer
    x = 4,941.88

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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.