Home / 5,392.31-8,087.01-2,272.34

Finding the Fourth Proportional to 5,392.31, 8,087.01 and 2,272.34

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Solution

The fourth proportional to 5,392.31, 8,087.01 and 2,272.34 is: 3,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.31 : 8,087.01 = 2,272.34 : x
  2. Step 2: Convert to fraction form
    5,392.31/8,087.01 = 2,272.34/x
  3. Step 3: Cross multiply
    5,392.31x = 8,087.01 × 2,272.34
  4. Step 4: Simplify right side
    5,392.31x = 18,376,395.87
  5. Step 5: Solve for x
    x = 18,376,395.87/5,392.31
  6. Step 6: Final answer
    x = 3,407.89

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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.