Home / 3,366.18-5,079.38-3,231.32

Finding the Fourth Proportional to 3,366.18, 5,079.38 and 3,231.32

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Solution

The fourth proportional to 3,366.18, 5,079.38 and 3,231.32 is: 4,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.18 : 5,079.38 = 3,231.32 : x
  2. Step 2: Convert to fraction form
    3,366.18/5,079.38 = 3,231.32/x
  3. Step 3: Cross multiply
    3,366.18x = 5,079.38 × 3,231.32
  4. Step 4: Simplify right side
    3,366.18x = 16,413,102.18
  5. Step 5: Solve for x
    x = 16,413,102.18/3,366.18
  6. Step 6: Final answer
    x = 4,875.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.