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Finding the Fourth Proportional to 3,690.96, 5,537.94 and 1,499.86

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Solution

The fourth proportional to 3,690.96, 5,537.94 and 1,499.86 is: 2,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.96 : 5,537.94 = 1,499.86 : x
  2. Step 2: Convert to fraction form
    3,690.96/5,537.94 = 1,499.86/x
  3. Step 3: Cross multiply
    3,690.96x = 5,537.94 × 1,499.86
  4. Step 4: Simplify right side
    3,690.96x = 8,306,134.69
  5. Step 5: Solve for x
    x = 8,306,134.69/3,690.96
  6. Step 6: Final answer
    x = 2,250.40

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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.