Home / 4,949.19-7,423.92-1,661.67

Finding the Fourth Proportional to 4,949.19, 7,423.92 and 1,661.67

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Solution

The fourth proportional to 4,949.19, 7,423.92 and 1,661.67 is: 2,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.19 : 7,423.92 = 1,661.67 : x
  2. Step 2: Convert to fraction form
    4,949.19/7,423.92 = 1,661.67/x
  3. Step 3: Cross multiply
    4,949.19x = 7,423.92 × 1,661.67
  4. Step 4: Simplify right side
    4,949.19x = 12,336,105.15
  5. Step 5: Solve for x
    x = 12,336,105.15/4,949.19
  6. Step 6: Final answer
    x = 2,492.55

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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.