Home / 7,271.33-10,906.76-2,077.20

Finding the Fourth Proportional to 7,271.33, 10,906.76 and 2,077.20

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Solution

The fourth proportional to 7,271.33, 10,906.76 and 2,077.20 is: 3,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.33 : 10,906.76 = 2,077.20 : x
  2. Step 2: Convert to fraction form
    7,271.33/10,906.76 = 2,077.20/x
  3. Step 3: Cross multiply
    7,271.33x = 10,906.76 × 2,077.20
  4. Step 4: Simplify right side
    7,271.33x = 22,655,521.87
  5. Step 5: Solve for x
    x = 22,655,521.87/7,271.33
  6. Step 6: Final answer
    x = 3,115.73

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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.