Home / 3,270.49-4,505.67-2,261.23

Finding the Fourth Proportional to 3,270.49, 4,505.67 and 2,261.23

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Solution

The fourth proportional to 3,270.49, 4,505.67 and 2,261.23 is: 3,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.49 : 4,505.67 = 2,261.23 : x
  2. Step 2: Convert to fraction form
    3,270.49/4,505.67 = 2,261.23/x
  3. Step 3: Cross multiply
    3,270.49x = 4,505.67 × 2,261.23
  4. Step 4: Simplify right side
    3,270.49x = 10,188,350.56
  5. Step 5: Solve for x
    x = 10,188,350.56/3,270.49
  6. Step 6: Final answer
    x = 3,115.24

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Double scale
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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.