Home / 3,440.72-5,155.32-1,794.96

Finding the Fourth Proportional to 3,440.72, 5,155.32 and 1,794.96

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Solution

The fourth proportional to 3,440.72, 5,155.32 and 1,794.96 is: 2,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.72 : 5,155.32 = 1,794.96 : x
  2. Step 2: Convert to fraction form
    3,440.72/5,155.32 = 1,794.96/x
  3. Step 3: Cross multiply
    3,440.72x = 5,155.32 × 1,794.96
  4. Step 4: Simplify right side
    3,440.72x = 9,253,593.19
  5. Step 5: Solve for x
    x = 9,253,593.19/3,440.72
  6. Step 6: Final answer
    x = 2,689.44

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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.