Home / 5,859.26-8,790.01-2,161.78

Finding the Fourth Proportional to 5,859.26, 8,790.01 and 2,161.78

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Solution

The fourth proportional to 5,859.26, 8,790.01 and 2,161.78 is: 3,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.26 : 8,790.01 = 2,161.78 : x
  2. Step 2: Convert to fraction form
    5,859.26/8,790.01 = 2,161.78/x
  3. Step 3: Cross multiply
    5,859.26x = 8,790.01 × 2,161.78
  4. Step 4: Simplify right side
    5,859.26x = 19,002,073.22
  5. Step 5: Solve for x
    x = 19,002,073.22/5,859.26
  6. Step 6: Final answer
    x = 3,243.08

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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.