Home / 4,949.10-7,423.38-1,661.85

Finding the Fourth Proportional to 4,949.10, 7,423.38 and 1,661.85

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Solution

The fourth proportional to 4,949.10, 7,423.38 and 1,661.85 is: 2,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.10 : 7,423.38 = 1,661.85 : x
  2. Step 2: Convert to fraction form
    4,949.10/7,423.38 = 1,661.85/x
  3. Step 3: Cross multiply
    4,949.10x = 7,423.38 × 1,661.85
  4. Step 4: Simplify right side
    4,949.10x = 12,336,544.05
  5. Step 5: Solve for x
    x = 12,336,544.05/4,949.10
  6. Step 6: Final answer
    x = 2,492.68

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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.