Home / 5,923.50-8,172.39-3,798.86

Finding the Fourth Proportional to 5,923.50, 8,172.39 and 3,798.86

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Solution

The fourth proportional to 5,923.50, 8,172.39 and 3,798.86 is: 5,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,923.50 : 8,172.39 = 3,798.86 : x
  2. Step 2: Convert to fraction form
    5,923.50/8,172.39 = 3,798.86/x
  3. Step 3: Cross multiply
    5,923.50x = 8,172.39 × 3,798.86
  4. Step 4: Simplify right side
    5,923.50x = 31,045,765.48
  5. Step 5: Solve for x
    x = 31,045,765.48/5,923.50
  6. Step 6: Final answer
    x = 5,241.12

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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.