Home / 2,755.98-4,135.26-1,113.66

Finding the Fourth Proportional to 2,755.98, 4,135.26 and 1,113.66

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Solution

The fourth proportional to 2,755.98, 4,135.26 and 1,113.66 is: 1,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.98 : 4,135.26 = 1,113.66 : x
  2. Step 2: Convert to fraction form
    2,755.98/4,135.26 = 1,113.66/x
  3. Step 3: Cross multiply
    2,755.98x = 4,135.26 × 1,113.66
  4. Step 4: Simplify right side
    2,755.98x = 4,605,273.65
  5. Step 5: Solve for x
    x = 4,605,273.65/2,755.98
  6. Step 6: Final answer
    x = 1,671.01

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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.