Home / 2,630.21-3,975.14-2,584.85

Finding the Fourth Proportional to 2,630.21, 3,975.14 and 2,584.85

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Solution

The fourth proportional to 2,630.21, 3,975.14 and 2,584.85 is: 3,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.21 : 3,975.14 = 2,584.85 : x
  2. Step 2: Convert to fraction form
    2,630.21/3,975.14 = 2,584.85/x
  3. Step 3: Cross multiply
    2,630.21x = 3,975.14 × 2,584.85
  4. Step 4: Simplify right side
    2,630.21x = 10,275,127.22
  5. Step 5: Solve for x
    x = 10,275,127.22/2,630.21
  6. Step 6: Final answer
    x = 3,906.59

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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.