Home / 5,921.57-8,171.44-3,683.38

Finding the Fourth Proportional to 5,921.57, 8,171.44 and 3,683.38

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Solution

The fourth proportional to 5,921.57, 8,171.44 and 3,683.38 is: 5,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.57 : 8,171.44 = 3,683.38 : x
  2. Step 2: Convert to fraction form
    5,921.57/8,171.44 = 3,683.38/x
  3. Step 3: Cross multiply
    5,921.57x = 8,171.44 × 3,683.38
  4. Step 4: Simplify right side
    5,921.57x = 30,098,518.67
  5. Step 5: Solve for x
    x = 30,098,518.67/5,921.57
  6. Step 6: Final answer
    x = 5,082.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.