Home / 5,861.12-8,080.80-3,764.48

Finding the Fourth Proportional to 5,861.12, 8,080.80 and 3,764.48

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Solution

The fourth proportional to 5,861.12, 8,080.80 and 3,764.48 is: 5,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.12 : 8,080.80 = 3,764.48 : x
  2. Step 2: Convert to fraction form
    5,861.12/8,080.80 = 3,764.48/x
  3. Step 3: Cross multiply
    5,861.12x = 8,080.80 × 3,764.48
  4. Step 4: Simplify right side
    5,861.12x = 30,420,009.98
  5. Step 5: Solve for x
    x = 30,420,009.98/5,861.12
  6. Step 6: Final answer
    x = 5,190.14

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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.