Home / 7,272.28-10,908.42-2,077.84

Finding the Fourth Proportional to 7,272.28, 10,908.42 and 2,077.84

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Solution

The fourth proportional to 7,272.28, 10,908.42 and 2,077.84 is: 3,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.28 : 10,908.42 = 2,077.84 : x
  2. Step 2: Convert to fraction form
    7,272.28/10,908.42 = 2,077.84/x
  3. Step 3: Cross multiply
    7,272.28x = 10,908.42 × 2,077.84
  4. Step 4: Simplify right side
    7,272.28x = 22,665,951.41
  5. Step 5: Solve for x
    x = 22,665,951.41/7,272.28
  6. Step 6: Final answer
    x = 3,116.76

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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.