Home / 7,520.92-11,274.90-3,628.06

Finding the Fourth Proportional to 7,520.92, 11,274.90 and 3,628.06

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Solution

The fourth proportional to 7,520.92, 11,274.90 and 3,628.06 is: 5,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.92 : 11,274.90 = 3,628.06 : x
  2. Step 2: Convert to fraction form
    7,520.92/11,274.90 = 3,628.06/x
  3. Step 3: Cross multiply
    7,520.92x = 11,274.90 × 3,628.06
  4. Step 4: Simplify right side
    7,520.92x = 40,906,013.69
  5. Step 5: Solve for x
    x = 40,906,013.69/7,520.92
  6. Step 6: Final answer
    x = 5,438.96

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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.