Home / 3,626.68-5,440.32-1,161.84

Finding the Fourth Proportional to 3,626.68, 5,440.32 and 1,161.84

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Solution

The fourth proportional to 3,626.68, 5,440.32 and 1,161.84 is: 1,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.68 : 5,440.32 = 1,161.84 : x
  2. Step 2: Convert to fraction form
    3,626.68/5,440.32 = 1,161.84/x
  3. Step 3: Cross multiply
    3,626.68x = 5,440.32 × 1,161.84
  4. Step 4: Simplify right side
    3,626.68x = 6,320,781.39
  5. Step 5: Solve for x
    x = 6,320,781.39/3,626.68
  6. Step 6: Final answer
    x = 1,742.86

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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.