Home / 5,003.50-7,488.96-2,660.14

Finding the Fourth Proportional to 5,003.50, 7,488.96 and 2,660.14

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Solution

The fourth proportional to 5,003.50, 7,488.96 and 2,660.14 is: 3,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.50 : 7,488.96 = 2,660.14 : x
  2. Step 2: Convert to fraction form
    5,003.50/7,488.96 = 2,660.14/x
  3. Step 3: Cross multiply
    5,003.50x = 7,488.96 × 2,660.14
  4. Step 4: Simplify right side
    5,003.50x = 19,921,682.05
  5. Step 5: Solve for x
    x = 19,921,682.05/5,003.50
  6. Step 6: Final answer
    x = 3,981.55

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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.