Home / 5,438.26-7,504.14-3,079.81

Finding the Fourth Proportional to 5,438.26, 7,504.14 and 3,079.81

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Solution

The fourth proportional to 5,438.26, 7,504.14 and 3,079.81 is: 4,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.26 : 7,504.14 = 3,079.81 : x
  2. Step 2: Convert to fraction form
    5,438.26/7,504.14 = 3,079.81/x
  3. Step 3: Cross multiply
    5,438.26x = 7,504.14 × 3,079.81
  4. Step 4: Simplify right side
    5,438.26x = 23,111,325.41
  5. Step 5: Solve for x
    x = 23,111,325.41/5,438.26
  6. Step 6: Final answer
    x = 4,249.76

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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.