Home / 4,909.73-7,363.80-4,082.09

Finding the Fourth Proportional to 4,909.73, 7,363.80 and 4,082.09

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Solution

The fourth proportional to 4,909.73, 7,363.80 and 4,082.09 is: 6,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.73 : 7,363.80 = 4,082.09 : x
  2. Step 2: Convert to fraction form
    4,909.73/7,363.80 = 4,082.09/x
  3. Step 3: Cross multiply
    4,909.73x = 7,363.80 × 4,082.09
  4. Step 4: Simplify right side
    4,909.73x = 30,059,694.34
  5. Step 5: Solve for x
    x = 30,059,694.34/4,909.73
  6. Step 6: Final answer
    x = 6,122.47

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1.5x scale

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.