Home / 5,857.86-8,790.20-2,162.66

Finding the Fourth Proportional to 5,857.86, 8,790.20 and 2,162.66

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Solution

The fourth proportional to 5,857.86, 8,790.20 and 2,162.66 is: 3,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.86 : 8,790.20 = 2,162.66 : x
  2. Step 2: Convert to fraction form
    5,857.86/8,790.20 = 2,162.66/x
  3. Step 3: Cross multiply
    5,857.86x = 8,790.20 × 2,162.66
  4. Step 4: Simplify right side
    5,857.86x = 19,010,213.93
  5. Step 5: Solve for x
    x = 19,010,213.93/5,857.86
  6. Step 6: Final answer
    x = 3,245.25

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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.