Home / 3,270.95-4,505.85-3,104.22

Finding the Fourth Proportional to 3,270.95, 4,505.85 and 3,104.22

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Solution

The fourth proportional to 3,270.95, 4,505.85 and 3,104.22 is: 4,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.95 : 4,505.85 = 3,104.22 : x
  2. Step 2: Convert to fraction form
    3,270.95/4,505.85 = 3,104.22/x
  3. Step 3: Cross multiply
    3,270.95x = 4,505.85 × 3,104.22
  4. Step 4: Simplify right side
    3,270.95x = 13,987,149.69
  5. Step 5: Solve for x
    x = 13,987,149.69/3,270.95
  6. Step 6: Final answer
    x = 4,276.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.