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Finding the Fourth Proportional to 5,604.90, 8,407.38 and 1,907.96

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Solution

The fourth proportional to 5,604.90, 8,407.38 and 1,907.96 is: 2,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.90 : 8,407.38 = 1,907.96 : x
  2. Step 2: Convert to fraction form
    5,604.90/8,407.38 = 1,907.96/x
  3. Step 3: Cross multiply
    5,604.90x = 8,407.38 × 1,907.96
  4. Step 4: Simplify right side
    5,604.90x = 16,040,944.74
  5. Step 5: Solve for x
    x = 16,040,944.74/5,604.90
  6. Step 6: Final answer
    x = 2,861.95

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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.