Home / 5,815.83-8,723.67-1,433.30

Finding the Fourth Proportional to 5,815.83, 8,723.67 and 1,433.30

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Solution

The fourth proportional to 5,815.83, 8,723.67 and 1,433.30 is: 2,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.83 : 8,723.67 = 1,433.30 : x
  2. Step 2: Convert to fraction form
    5,815.83/8,723.67 = 1,433.30/x
  3. Step 3: Cross multiply
    5,815.83x = 8,723.67 × 1,433.30
  4. Step 4: Simplify right side
    5,815.83x = 12,503,587.22
  5. Step 5: Solve for x
    x = 12,503,587.22/5,815.83
  6. Step 6: Final answer
    x = 2,149.92

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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.