Home / 5,255.30-7,252.39-2,897.44

Finding the Fourth Proportional to 5,255.30, 7,252.39 and 2,897.44

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Solution

The fourth proportional to 5,255.30, 7,252.39 and 2,897.44 is: 3,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.30 : 7,252.39 = 2,897.44 : x
  2. Step 2: Convert to fraction form
    5,255.30/7,252.39 = 2,897.44/x
  3. Step 3: Cross multiply
    5,255.30x = 7,252.39 × 2,897.44
  4. Step 4: Simplify right side
    5,255.30x = 21,013,334.07
  5. Step 5: Solve for x
    x = 21,013,334.07/5,255.30
  6. Step 6: Final answer
    x = 3,998.51

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1.5x scale

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.