Home / 5,109.25-7,055.38-3,224.18

Finding the Fourth Proportional to 5,109.25, 7,055.38 and 3,224.18

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Solution

The fourth proportional to 5,109.25, 7,055.38 and 3,224.18 is: 4,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.25 : 7,055.38 = 3,224.18 : x
  2. Step 2: Convert to fraction form
    5,109.25/7,055.38 = 3,224.18/x
  3. Step 3: Cross multiply
    5,109.25x = 7,055.38 × 3,224.18
  4. Step 4: Simplify right side
    5,109.25x = 22,747,815.09
  5. Step 5: Solve for x
    x = 22,747,815.09/5,109.25
  6. Step 6: Final answer
    x = 4,452.28

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Half scale
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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.