Home / 4,172.86-5,759.73-2,579.99

Finding the Fourth Proportional to 4,172.86, 5,759.73 and 2,579.99

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Solution

The fourth proportional to 4,172.86, 5,759.73 and 2,579.99 is: 3,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.86 : 5,759.73 = 2,579.99 : x
  2. Step 2: Convert to fraction form
    4,172.86/5,759.73 = 2,579.99/x
  3. Step 3: Cross multiply
    4,172.86x = 5,759.73 × 2,579.99
  4. Step 4: Simplify right side
    4,172.86x = 14,860,060.20
  5. Step 5: Solve for x
    x = 14,860,060.20/4,172.86
  6. Step 6: Final answer
    x = 3,561.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.