Home / 7,945.67-11,908.18-3,787.03

Finding the Fourth Proportional to 7,945.67, 11,908.18 and 3,787.03

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Solution

The fourth proportional to 7,945.67, 11,908.18 and 3,787.03 is: 5,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.67 : 11,908.18 = 3,787.03 : x
  2. Step 2: Convert to fraction form
    7,945.67/11,908.18 = 3,787.03/x
  3. Step 3: Cross multiply
    7,945.67x = 11,908.18 × 3,787.03
  4. Step 4: Simplify right side
    7,945.67x = 45,096,634.91
  5. Step 5: Solve for x
    x = 45,096,634.91/7,945.67
  6. Step 6: Final answer
    x = 5,675.62

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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.