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Finding the Fourth Proportional to 3,907.98, 5,861.67 and 1,134.68

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Solution

The fourth proportional to 3,907.98, 5,861.67 and 1,134.68 is: 1,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.98 : 5,861.67 = 1,134.68 : x
  2. Step 2: Convert to fraction form
    3,907.98/5,861.67 = 1,134.68/x
  3. Step 3: Cross multiply
    3,907.98x = 5,861.67 × 1,134.68
  4. Step 4: Simplify right side
    3,907.98x = 6,651,105.70
  5. Step 5: Solve for x
    x = 6,651,105.70/3,907.98
  6. Step 6: Final answer
    x = 1,701.93

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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.