Home / 4,694.75-7,043.18-1,921.05

Finding the Fourth Proportional to 4,694.75, 7,043.18 and 1,921.05

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Solution

The fourth proportional to 4,694.75, 7,043.18 and 1,921.05 is: 2,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.75 : 7,043.18 = 1,921.05 : x
  2. Step 2: Convert to fraction form
    4,694.75/7,043.18 = 1,921.05/x
  3. Step 3: Cross multiply
    4,694.75x = 7,043.18 × 1,921.05
  4. Step 4: Simplify right side
    4,694.75x = 13,530,300.94
  5. Step 5: Solve for x
    x = 13,530,300.94/4,694.75
  6. Step 6: Final answer
    x = 2,882.01

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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.