Home / 5,054.53-7,578.14-2,131.24

Finding the Fourth Proportional to 5,054.53, 7,578.14 and 2,131.24

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Solution

The fourth proportional to 5,054.53, 7,578.14 and 2,131.24 is: 3,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.53 : 7,578.14 = 2,131.24 : x
  2. Step 2: Convert to fraction form
    5,054.53/7,578.14 = 2,131.24/x
  3. Step 3: Cross multiply
    5,054.53x = 7,578.14 × 2,131.24
  4. Step 4: Simplify right side
    5,054.53x = 16,150,835.09
  5. Step 5: Solve for x
    x = 16,150,835.09/5,054.53
  6. Step 6: Final answer
    x = 3,195.32

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1.5x scale

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.