Home / 3,415.68-5,079.62-3,306.33

Finding the Fourth Proportional to 3,415.68, 5,079.62 and 3,306.33

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Solution

The fourth proportional to 3,415.68, 5,079.62 and 3,306.33 is: 4,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.68 : 5,079.62 = 3,306.33 : x
  2. Step 2: Convert to fraction form
    3,415.68/5,079.62 = 3,306.33/x
  3. Step 3: Cross multiply
    3,415.68x = 5,079.62 × 3,306.33
  4. Step 4: Simplify right side
    3,415.68x = 16,794,908.26
  5. Step 5: Solve for x
    x = 16,794,908.26/3,415.68
  6. Step 6: Final answer
    x = 4,917.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.