Home / 4,764.24-7,144.08-2,815.92

Finding the Fourth Proportional to 4,764.24, 7,144.08 and 2,815.92

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Solution

The fourth proportional to 4,764.24, 7,144.08 and 2,815.92 is: 4,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.24 : 7,144.08 = 2,815.92 : x
  2. Step 2: Convert to fraction form
    4,764.24/7,144.08 = 2,815.92/x
  3. Step 3: Cross multiply
    4,764.24x = 7,144.08 × 2,815.92
  4. Step 4: Simplify right side
    4,764.24x = 20,117,157.75
  5. Step 5: Solve for x
    x = 20,117,157.75/4,764.24
  6. Step 6: Final answer
    x = 4,222.53

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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.