Home / 7,183.50-10,758.15-3,664.86

Finding the Fourth Proportional to 7,183.50, 10,758.15 and 3,664.86

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Solution

The fourth proportional to 7,183.50, 10,758.15 and 3,664.86 is: 5,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.50 : 10,758.15 = 3,664.86 : x
  2. Step 2: Convert to fraction form
    7,183.50/10,758.15 = 3,664.86/x
  3. Step 3: Cross multiply
    7,183.50x = 10,758.15 × 3,664.86
  4. Step 4: Simplify right side
    7,183.50x = 39,427,113.61
  5. Step 5: Solve for x
    x = 39,427,113.61/7,183.50
  6. Step 6: Final answer
    x = 5,488.57

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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.