Home / 5,920.16-8,171.19-3,683.75

Finding the Fourth Proportional to 5,920.16, 8,171.19 and 3,683.75

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Solution

The fourth proportional to 5,920.16, 8,171.19 and 3,683.75 is: 5,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.16 : 8,171.19 = 3,683.75 : x
  2. Step 2: Convert to fraction form
    5,920.16/8,171.19 = 3,683.75/x
  3. Step 3: Cross multiply
    5,920.16x = 8,171.19 × 3,683.75
  4. Step 4: Simplify right side
    5,920.16x = 30,100,580.31
  5. Step 5: Solve for x
    x = 30,100,580.31/5,920.16
  6. Step 6: Final answer
    x = 5,084.42

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Double scale
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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.