Home / 5,515.75-8,262.51-2,550.01

Finding the Fourth Proportional to 5,515.75, 8,262.51 and 2,550.01

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Solution

The fourth proportional to 5,515.75, 8,262.51 and 2,550.01 is: 3,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.75 : 8,262.51 = 2,550.01 : x
  2. Step 2: Convert to fraction form
    5,515.75/8,262.51 = 2,550.01/x
  3. Step 3: Cross multiply
    5,515.75x = 8,262.51 × 2,550.01
  4. Step 4: Simplify right side
    5,515.75x = 21,069,483.13
  5. Step 5: Solve for x
    x = 21,069,483.13/5,515.75
  6. Step 6: Final answer
    x = 3,819.88

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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.