Home / 5,920.61-8,173.38-3,683.21

Finding the Fourth Proportional to 5,920.61, 8,173.38 and 3,683.21

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Solution

The fourth proportional to 5,920.61, 8,173.38 and 3,683.21 is: 5,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.61 : 8,173.38 = 3,683.21 : x
  2. Step 2: Convert to fraction form
    5,920.61/8,173.38 = 3,683.21/x
  3. Step 3: Cross multiply
    5,920.61x = 8,173.38 × 3,683.21
  4. Step 4: Simplify right side
    5,920.61x = 30,104,234.08
  5. Step 5: Solve for x
    x = 30,104,234.08/5,920.61
  6. Step 6: Final answer
    x = 5,084.66

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Half scale
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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.