Home / 3,933.77-5,899.75-1,122.55

Finding the Fourth Proportional to 3,933.77, 5,899.75 and 1,122.55

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Solution

The fourth proportional to 3,933.77, 5,899.75 and 1,122.55 is: 1,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.77 : 5,899.75 = 1,122.55 : x
  2. Step 2: Convert to fraction form
    3,933.77/5,899.75 = 1,122.55/x
  3. Step 3: Cross multiply
    3,933.77x = 5,899.75 × 1,122.55
  4. Step 4: Simplify right side
    3,933.77x = 6,622,794.60
  5. Step 5: Solve for x
    x = 6,622,794.60/3,933.77
  6. Step 6: Final answer
    x = 1,683.57

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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.