Home / 6,091.77-8,403.60-3,937.56

Finding the Fourth Proportional to 6,091.77, 8,403.60 and 3,937.56

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Solution

The fourth proportional to 6,091.77, 8,403.60 and 3,937.56 is: 5,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.77 : 8,403.60 = 3,937.56 : x
  2. Step 2: Convert to fraction form
    6,091.77/8,403.60 = 3,937.56/x
  3. Step 3: Cross multiply
    6,091.77x = 8,403.60 × 3,937.56
  4. Step 4: Simplify right side
    6,091.77x = 33,089,679.22
  5. Step 5: Solve for x
    x = 33,089,679.22/6,091.77
  6. Step 6: Final answer
    x = 5,431.87

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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.