Home / 4,981.77-7,474.32-2,208.06

Finding the Fourth Proportional to 4,981.77, 7,474.32 and 2,208.06

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Solution

The fourth proportional to 4,981.77, 7,474.32 and 2,208.06 is: 3,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.77 : 7,474.32 = 2,208.06 : x
  2. Step 2: Convert to fraction form
    4,981.77/7,474.32 = 2,208.06/x
  3. Step 3: Cross multiply
    4,981.77x = 7,474.32 × 2,208.06
  4. Step 4: Simplify right side
    4,981.77x = 16,503,747.02
  5. Step 5: Solve for x
    x = 16,503,747.02/4,981.77
  6. Step 6: Final answer
    x = 3,312.83

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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.