Home / 5,255.13-7,252.05-2,897.27

Finding the Fourth Proportional to 5,255.13, 7,252.05 and 2,897.27

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Solution

The fourth proportional to 5,255.13, 7,252.05 and 2,897.27 is: 3,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.13 : 7,252.05 = 2,897.27 : x
  2. Step 2: Convert to fraction form
    5,255.13/7,252.05 = 2,897.27/x
  3. Step 3: Cross multiply
    5,255.13x = 7,252.05 × 2,897.27
  4. Step 4: Simplify right side
    5,255.13x = 21,011,146.90
  5. Step 5: Solve for x
    x = 21,011,146.90/5,255.13
  6. Step 6: Final answer
    x = 3,998.22

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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.