Home / 3,252.39-4,487.20-2,117.54

Finding the Fourth Proportional to 3,252.39, 4,487.20 and 2,117.54

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Solution

The fourth proportional to 3,252.39, 4,487.20 and 2,117.54 is: 2,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.39 : 4,487.20 = 2,117.54 : x
  2. Step 2: Convert to fraction form
    3,252.39/4,487.20 = 2,117.54/x
  3. Step 3: Cross multiply
    3,252.39x = 4,487.20 × 2,117.54
  4. Step 4: Simplify right side
    3,252.39x = 9,501,843.32
  5. Step 5: Solve for x
    x = 9,501,843.32/3,252.39
  6. Step 6: Final answer
    x = 2,921.49

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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.