Home / 3,771.36-5,657.66-1,173.68

Finding the Fourth Proportional to 3,771.36, 5,657.66 and 1,173.68

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Solution

The fourth proportional to 3,771.36, 5,657.66 and 1,173.68 is: 1,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.36 : 5,657.66 = 1,173.68 : x
  2. Step 2: Convert to fraction form
    3,771.36/5,657.66 = 1,173.68/x
  3. Step 3: Cross multiply
    3,771.36x = 5,657.66 × 1,173.68
  4. Step 4: Simplify right side
    3,771.36x = 6,640,282.39
  5. Step 5: Solve for x
    x = 6,640,282.39/3,771.36
  6. Step 6: Final answer
    x = 1,760.71

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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.