Home / 5,767.68-8,651.28-4,620.72

Finding the Fourth Proportional to 5,767.68, 8,651.28 and 4,620.72

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Solution

The fourth proportional to 5,767.68, 8,651.28 and 4,620.72 is: 6,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.68 : 8,651.28 = 4,620.72 : x
  2. Step 2: Convert to fraction form
    5,767.68/8,651.28 = 4,620.72/x
  3. Step 3: Cross multiply
    5,767.68x = 8,651.28 × 4,620.72
  4. Step 4: Simplify right side
    5,767.68x = 39,975,142.52
  5. Step 5: Solve for x
    x = 39,975,142.52/5,767.68
  6. Step 6: Final answer
    x = 6,930.89

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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.