Home / 2,922.92-4,384.94-1,074.05

Finding the Fourth Proportional to 2,922.92, 4,384.94 and 1,074.05

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Solution

The fourth proportional to 2,922.92, 4,384.94 and 1,074.05 is: 1,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.92 : 4,384.94 = 1,074.05 : x
  2. Step 2: Convert to fraction form
    2,922.92/4,384.94 = 1,074.05/x
  3. Step 3: Cross multiply
    2,922.92x = 4,384.94 × 1,074.05
  4. Step 4: Simplify right side
    2,922.92x = 4,709,625.57
  5. Step 5: Solve for x
    x = 4,709,625.57/2,922.92
  6. Step 6: Final answer
    x = 1,611.28

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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.