Home / 5,859.27-8,785.80-2,160.18

Finding the Fourth Proportional to 5,859.27, 8,785.80 and 2,160.18

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Solution

The fourth proportional to 5,859.27, 8,785.80 and 2,160.18 is: 3,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.27 : 8,785.80 = 2,160.18 : x
  2. Step 2: Convert to fraction form
    5,859.27/8,785.80 = 2,160.18/x
  3. Step 3: Cross multiply
    5,859.27x = 8,785.80 × 2,160.18
  4. Step 4: Simplify right side
    5,859.27x = 18,978,909.44
  5. Step 5: Solve for x
    x = 18,978,909.44/5,859.27
  6. Step 6: Final answer
    x = 3,239.13

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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.