Home / 3,631.92-5,445.82-3,322.32

Finding the Fourth Proportional to 3,631.92, 5,445.82 and 3,322.32

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Solution

The fourth proportional to 3,631.92, 5,445.82 and 3,322.32 is: 4,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.92 : 5,445.82 = 3,322.32 : x
  2. Step 2: Convert to fraction form
    3,631.92/5,445.82 = 3,322.32/x
  3. Step 3: Cross multiply
    3,631.92x = 5,445.82 × 3,322.32
  4. Step 4: Simplify right side
    3,631.92x = 18,092,756.70
  5. Step 5: Solve for x
    x = 18,092,756.70/3,631.92
  6. Step 6: Final answer
    x = 4,981.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.