Home / 4,433.18-6,115.45-2,639.39

Finding the Fourth Proportional to 4,433.18, 6,115.45 and 2,639.39

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Solution

The fourth proportional to 4,433.18, 6,115.45 and 2,639.39 is: 3,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,433.18 : 6,115.45 = 2,639.39 : x
  2. Step 2: Convert to fraction form
    4,433.18/6,115.45 = 2,639.39/x
  3. Step 3: Cross multiply
    4,433.18x = 6,115.45 × 2,639.39
  4. Step 4: Simplify right side
    4,433.18x = 16,141,057.58
  5. Step 5: Solve for x
    x = 16,141,057.58/4,433.18
  6. Step 6: Final answer
    x = 3,640.97

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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.