Home / 6,101.75-8,420.60-3,743.39

Finding the Fourth Proportional to 6,101.75, 8,420.60 and 3,743.39

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Solution

The fourth proportional to 6,101.75, 8,420.60 and 3,743.39 is: 5,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.75 : 8,420.60 = 3,743.39 : x
  2. Step 2: Convert to fraction form
    6,101.75/8,420.60 = 3,743.39/x
  3. Step 3: Cross multiply
    6,101.75x = 8,420.60 × 3,743.39
  4. Step 4: Simplify right side
    6,101.75x = 31,521,571.12
  5. Step 5: Solve for x
    x = 31,521,571.12/6,101.75
  6. Step 6: Final answer
    x = 5,165.99

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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.