Home / 3,950.45-5,924.99-1,317.66

Finding the Fourth Proportional to 3,950.45, 5,924.99 and 1,317.66

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Solution

The fourth proportional to 3,950.45, 5,924.99 and 1,317.66 is: 1,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.45 : 5,924.99 = 1,317.66 : x
  2. Step 2: Convert to fraction form
    3,950.45/5,924.99 = 1,317.66/x
  3. Step 3: Cross multiply
    3,950.45x = 5,924.99 × 1,317.66
  4. Step 4: Simplify right side
    3,950.45x = 7,807,115.74
  5. Step 5: Solve for x
    x = 7,807,115.74/3,950.45
  6. Step 6: Final answer
    x = 1,976.26

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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.