Home / 5,861.18-8,091.09-3,739.58

Finding the Fourth Proportional to 5,861.18, 8,091.09 and 3,739.58

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Solution

The fourth proportional to 5,861.18, 8,091.09 and 3,739.58 is: 5,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.18 : 8,091.09 = 3,739.58 : x
  2. Step 2: Convert to fraction form
    5,861.18/8,091.09 = 3,739.58/x
  3. Step 3: Cross multiply
    5,861.18x = 8,091.09 × 3,739.58
  4. Step 4: Simplify right side
    5,861.18x = 30,257,278.34
  5. Step 5: Solve for x
    x = 30,257,278.34/5,861.18
  6. Step 6: Final answer
    x = 5,162.32

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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.