Home / 5,424.05-8,139.14-2,502.36

Finding the Fourth Proportional to 5,424.05, 8,139.14 and 2,502.36

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Solution

The fourth proportional to 5,424.05, 8,139.14 and 2,502.36 is: 3,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.05 : 8,139.14 = 2,502.36 : x
  2. Step 2: Convert to fraction form
    5,424.05/8,139.14 = 2,502.36/x
  3. Step 3: Cross multiply
    5,424.05x = 8,139.14 × 2,502.36
  4. Step 4: Simplify right side
    5,424.05x = 20,367,058.37
  5. Step 5: Solve for x
    x = 20,367,058.37/5,424.05
  6. Step 6: Final answer
    x = 3,754.95

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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.