Home / 3,202.76-4,421.82-2,455.32

Finding the Fourth Proportional to 3,202.76, 4,421.82 and 2,455.32

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Solution

The fourth proportional to 3,202.76, 4,421.82 and 2,455.32 is: 3,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.76 : 4,421.82 = 2,455.32 : x
  2. Step 2: Convert to fraction form
    3,202.76/4,421.82 = 2,455.32/x
  3. Step 3: Cross multiply
    3,202.76x = 4,421.82 × 2,455.32
  4. Step 4: Simplify right side
    3,202.76x = 10,856,983.08
  5. Step 5: Solve for x
    x = 10,856,983.08/3,202.76
  6. Step 6: Final answer
    x = 3,389.89

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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.