Home / 5,361.45-7,398.57-2,971.27

Finding the Fourth Proportional to 5,361.45, 7,398.57 and 2,971.27

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Solution

The fourth proportional to 5,361.45, 7,398.57 and 2,971.27 is: 4,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.45 : 7,398.57 = 2,971.27 : x
  2. Step 2: Convert to fraction form
    5,361.45/7,398.57 = 2,971.27/x
  3. Step 3: Cross multiply
    5,361.45x = 7,398.57 × 2,971.27
  4. Step 4: Simplify right side
    5,361.45x = 21,983,149.08
  5. Step 5: Solve for x
    x = 21,983,149.08/5,361.45
  6. Step 6: Final answer
    x = 4,100.22

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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.