Home / 5,328.16-7,989.36-2,249.44

Finding the Fourth Proportional to 5,328.16, 7,989.36 and 2,249.44

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Solution

The fourth proportional to 5,328.16, 7,989.36 and 2,249.44 is: 3,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.16 : 7,989.36 = 2,249.44 : x
  2. Step 2: Convert to fraction form
    5,328.16/7,989.36 = 2,249.44/x
  3. Step 3: Cross multiply
    5,328.16x = 7,989.36 × 2,249.44
  4. Step 4: Simplify right side
    5,328.16x = 17,971,585.96
  5. Step 5: Solve for x
    x = 17,971,585.96/5,328.16
  6. Step 6: Final answer
    x = 3,372.94

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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.