Home / 5,921.11-8,174.07-3,683.71

Finding the Fourth Proportional to 5,921.11, 8,174.07 and 3,683.71

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Solution

The fourth proportional to 5,921.11, 8,174.07 and 3,683.71 is: 5,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.11 : 8,174.07 = 3,683.71 : x
  2. Step 2: Convert to fraction form
    5,921.11/8,174.07 = 3,683.71/x
  3. Step 3: Cross multiply
    5,921.11x = 8,174.07 × 3,683.71
  4. Step 4: Simplify right side
    5,921.11x = 30,110,862.53
  5. Step 5: Solve for x
    x = 30,110,862.53/5,921.11
  6. Step 6: Final answer
    x = 5,085.35

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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.