Home / 5,182.76-7,776.44-2,716.99

Finding the Fourth Proportional to 5,182.76, 7,776.44 and 2,716.99

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Solution

The fourth proportional to 5,182.76, 7,776.44 and 2,716.99 is: 4,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.76 : 7,776.44 = 2,716.99 : x
  2. Step 2: Convert to fraction form
    5,182.76/7,776.44 = 2,716.99/x
  3. Step 3: Cross multiply
    5,182.76x = 7,776.44 × 2,716.99
  4. Step 4: Simplify right side
    5,182.76x = 21,128,496.13
  5. Step 5: Solve for x
    x = 21,128,496.13/5,182.76
  6. Step 6: Final answer
    x = 4,076.69

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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.