Home / 5,857.13-8,781.78-3,225.86

Finding the Fourth Proportional to 5,857.13, 8,781.78 and 3,225.86

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Solution

The fourth proportional to 5,857.13, 8,781.78 and 3,225.86 is: 4,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.13 : 8,781.78 = 3,225.86 : x
  2. Step 2: Convert to fraction form
    5,857.13/8,781.78 = 3,225.86/x
  3. Step 3: Cross multiply
    5,857.13x = 8,781.78 × 3,225.86
  4. Step 4: Simplify right side
    5,857.13x = 28,328,827.60
  5. Step 5: Solve for x
    x = 28,328,827.60/5,857.13
  6. Step 6: Final answer
    x = 4,836.64

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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.