Home / 3,631.52-5,420.62-3,323.72

Finding the Fourth Proportional to 3,631.52, 5,420.62 and 3,323.72

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Solution

The fourth proportional to 3,631.52, 5,420.62 and 3,323.72 is: 4,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.52 : 5,420.62 = 3,323.72 : x
  2. Step 2: Convert to fraction form
    3,631.52/5,420.62 = 3,323.72/x
  3. Step 3: Cross multiply
    3,631.52x = 5,420.62 × 3,323.72
  4. Step 4: Simplify right side
    3,631.52x = 18,016,623.11
  5. Step 5: Solve for x
    x = 18,016,623.11/3,631.52
  6. Step 6: Final answer
    x = 4,961.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.