Home / 3,275.66-4,520.78-2,016.47

Finding the Fourth Proportional to 3,275.66, 4,520.78 and 2,016.47

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Solution

The fourth proportional to 3,275.66, 4,520.78 and 2,016.47 is: 2,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.66 : 4,520.78 = 2,016.47 : x
  2. Step 2: Convert to fraction form
    3,275.66/4,520.78 = 2,016.47/x
  3. Step 3: Cross multiply
    3,275.66x = 4,520.78 × 2,016.47
  4. Step 4: Simplify right side
    3,275.66x = 9,115,984.56
  5. Step 5: Solve for x
    x = 9,115,984.56/3,275.66
  6. Step 6: Final answer
    x = 2,782.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.