Home / 5,110.24-7,668.60-4,928.80

Finding the Fourth Proportional to 5,110.24, 7,668.60 and 4,928.80

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Solution

The fourth proportional to 5,110.24, 7,668.60 and 4,928.80 is: 7,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.24 : 7,668.60 = 4,928.80 : x
  2. Step 2: Convert to fraction form
    5,110.24/7,668.60 = 4,928.80/x
  3. Step 3: Cross multiply
    5,110.24x = 7,668.60 × 4,928.80
  4. Step 4: Simplify right side
    5,110.24x = 37,796,995.68
  5. Step 5: Solve for x
    x = 37,796,995.68/5,110.24
  6. Step 6: Final answer
    x = 7,396.32

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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.