Home / 3,683.20-5,552.38-3,438.76

Finding the Fourth Proportional to 3,683.20, 5,552.38 and 3,438.76

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Solution

The fourth proportional to 3,683.20, 5,552.38 and 3,438.76 is: 5,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.20 : 5,552.38 = 3,438.76 : x
  2. Step 2: Convert to fraction form
    3,683.20/5,552.38 = 3,438.76/x
  3. Step 3: Cross multiply
    3,683.20x = 5,552.38 × 3,438.76
  4. Step 4: Simplify right side
    3,683.20x = 19,093,302.25
  5. Step 5: Solve for x
    x = 19,093,302.25/3,683.20
  6. Step 6: Final answer
    x = 5,183.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.