Home / 7,273.32-10,911.66-2,079.20

Finding the Fourth Proportional to 7,273.32, 10,911.66 and 2,079.20

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Solution

The fourth proportional to 7,273.32, 10,911.66 and 2,079.20 is: 3,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.32 : 10,911.66 = 2,079.20 : x
  2. Step 2: Convert to fraction form
    7,273.32/10,911.66 = 2,079.20/x
  3. Step 3: Cross multiply
    7,273.32x = 10,911.66 × 2,079.20
  4. Step 4: Simplify right side
    7,273.32x = 22,687,468.91
  5. Step 5: Solve for x
    x = 22,687,468.91/7,273.32
  6. Step 6: Final answer
    x = 3,119.27

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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.