Home / 5,246.72-7,240.42-3,008.56

Finding the Fourth Proportional to 5,246.72, 7,240.42 and 3,008.56

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Solution

The fourth proportional to 5,246.72, 7,240.42 and 3,008.56 is: 4,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.72 : 7,240.42 = 3,008.56 : x
  2. Step 2: Convert to fraction form
    5,246.72/7,240.42 = 3,008.56/x
  3. Step 3: Cross multiply
    5,246.72x = 7,240.42 × 3,008.56
  4. Step 4: Simplify right side
    5,246.72x = 21,783,238.00
  5. Step 5: Solve for x
    x = 21,783,238.00/5,246.72
  6. Step 6: Final answer
    x = 4,151.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.