Home / 7,922.94-11,880.67-2,924.05

Finding the Fourth Proportional to 7,922.94, 11,880.67 and 2,924.05

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Solution

The fourth proportional to 7,922.94, 11,880.67 and 2,924.05 is: 4,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.94 : 11,880.67 = 2,924.05 : x
  2. Step 2: Convert to fraction form
    7,922.94/11,880.67 = 2,924.05/x
  3. Step 3: Cross multiply
    7,922.94x = 11,880.67 × 2,924.05
  4. Step 4: Simplify right side
    7,922.94x = 34,739,599.09
  5. Step 5: Solve for x
    x = 34,739,599.09/7,922.94
  6. Step 6: Final answer
    x = 4,384.69

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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.