Home / 4,767.20-7,151.07-1,480.76

Finding the Fourth Proportional to 4,767.20, 7,151.07 and 1,480.76

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Solution

The fourth proportional to 4,767.20, 7,151.07 and 1,480.76 is: 2,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.20 : 7,151.07 = 1,480.76 : x
  2. Step 2: Convert to fraction form
    4,767.20/7,151.07 = 1,480.76/x
  3. Step 3: Cross multiply
    4,767.20x = 7,151.07 × 1,480.76
  4. Step 4: Simplify right side
    4,767.20x = 10,589,018.41
  5. Step 5: Solve for x
    x = 10,589,018.41/4,767.20
  6. Step 6: Final answer
    x = 2,221.22

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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.