Home / 3,615.50-5,414.07-3,282.68

Finding the Fourth Proportional to 3,615.50, 5,414.07 and 3,282.68

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Solution

The fourth proportional to 3,615.50, 5,414.07 and 3,282.68 is: 4,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.50 : 5,414.07 = 3,282.68 : x
  2. Step 2: Convert to fraction form
    3,615.50/5,414.07 = 3,282.68/x
  3. Step 3: Cross multiply
    3,615.50x = 5,414.07 × 3,282.68
  4. Step 4: Simplify right side
    3,615.50x = 17,772,659.31
  5. Step 5: Solve for x
    x = 17,772,659.31/3,615.50
  6. Step 6: Final answer
    x = 4,915.69

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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.