Home / 2,694.42-4,038.75-1,922.58

Finding the Fourth Proportional to 2,694.42, 4,038.75 and 1,922.58

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Solution

The fourth proportional to 2,694.42, 4,038.75 and 1,922.58 is: 2,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.42 : 4,038.75 = 1,922.58 : x
  2. Step 2: Convert to fraction form
    2,694.42/4,038.75 = 1,922.58/x
  3. Step 3: Cross multiply
    2,694.42x = 4,038.75 × 1,922.58
  4. Step 4: Simplify right side
    2,694.42x = 7,764,819.98
  5. Step 5: Solve for x
    x = 7,764,819.98/2,694.42
  6. Step 6: Final answer
    x = 2,881.82

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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.