Home / 3,648.20-5,057.66-3,451.16

Finding the Fourth Proportional to 3,648.20, 5,057.66 and 3,451.16

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Solution

The fourth proportional to 3,648.20, 5,057.66 and 3,451.16 is: 4,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.20 : 5,057.66 = 3,451.16 : x
  2. Step 2: Convert to fraction form
    3,648.20/5,057.66 = 3,451.16/x
  3. Step 3: Cross multiply
    3,648.20x = 5,057.66 × 3,451.16
  4. Step 4: Simplify right side
    3,648.20x = 17,454,793.89
  5. Step 5: Solve for x
    x = 17,454,793.89/3,648.20
  6. Step 6: Final answer
    x = 4,784.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.