Home / 4,981.80-7,472.45-1,694.96

Finding the Fourth Proportional to 4,981.80, 7,472.45 and 1,694.96

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Solution

The fourth proportional to 4,981.80, 7,472.45 and 1,694.96 is: 2,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.80 : 7,472.45 = 1,694.96 : x
  2. Step 2: Convert to fraction form
    4,981.80/7,472.45 = 1,694.96/x
  3. Step 3: Cross multiply
    4,981.80x = 7,472.45 × 1,694.96
  4. Step 4: Simplify right side
    4,981.80x = 12,665,458.01
  5. Step 5: Solve for x
    x = 12,665,458.01/4,981.80
  6. Step 6: Final answer
    x = 2,542.35

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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.