Home / 3,705.98-5,115.22-2,923.52

Finding the Fourth Proportional to 3,705.98, 5,115.22 and 2,923.52

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Solution

The fourth proportional to 3,705.98, 5,115.22 and 2,923.52 is: 4,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.98 : 5,115.22 = 2,923.52 : x
  2. Step 2: Convert to fraction form
    3,705.98/5,115.22 = 2,923.52/x
  3. Step 3: Cross multiply
    3,705.98x = 5,115.22 × 2,923.52
  4. Step 4: Simplify right side
    3,705.98x = 14,954,415.09
  5. Step 5: Solve for x
    x = 14,954,415.09/3,705.98
  6. Step 6: Final answer
    x = 4,035.22

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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.