Home / 4,091.31-6,127.74-3,999.06

Finding the Fourth Proportional to 4,091.31, 6,127.74 and 3,999.06

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Solution

The fourth proportional to 4,091.31, 6,127.74 and 3,999.06 is: 5,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.31 : 6,127.74 = 3,999.06 : x
  2. Step 2: Convert to fraction form
    4,091.31/6,127.74 = 3,999.06/x
  3. Step 3: Cross multiply
    4,091.31x = 6,127.74 × 3,999.06
  4. Step 4: Simplify right side
    4,091.31x = 24,505,199.92
  5. Step 5: Solve for x
    x = 24,505,199.92/4,091.31
  6. Step 6: Final answer
    x = 5,989.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.