Home / 7,150.14-10,726.20-2,220.15

Finding the Fourth Proportional to 7,150.14, 10,726.20 and 2,220.15

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Solution

The fourth proportional to 7,150.14, 10,726.20 and 2,220.15 is: 3,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.14 : 10,726.20 = 2,220.15 : x
  2. Step 2: Convert to fraction form
    7,150.14/10,726.20 = 2,220.15/x
  3. Step 3: Cross multiply
    7,150.14x = 10,726.20 × 2,220.15
  4. Step 4: Simplify right side
    7,150.14x = 23,813,772.93
  5. Step 5: Solve for x
    x = 23,813,772.93/7,150.14
  6. Step 6: Final answer
    x = 3,330.53

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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.