Home / 5,012.49-7,519.43-2,090.12

Finding the Fourth Proportional to 5,012.49, 7,519.43 and 2,090.12

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Solution

The fourth proportional to 5,012.49, 7,519.43 and 2,090.12 is: 3,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.49 : 7,519.43 = 2,090.12 : x
  2. Step 2: Convert to fraction form
    5,012.49/7,519.43 = 2,090.12/x
  3. Step 3: Cross multiply
    5,012.49x = 7,519.43 × 2,090.12
  4. Step 4: Simplify right side
    5,012.49x = 15,716,462.98
  5. Step 5: Solve for x
    x = 15,716,462.98/5,012.49
  6. Step 6: Final answer
    x = 3,135.46

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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.