Home / 5,255.11-7,252.10-2,897.33

Finding the Fourth Proportional to 5,255.11, 7,252.10 and 2,897.33

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Solution

The fourth proportional to 5,255.11, 7,252.10 and 2,897.33 is: 3,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.11 : 7,252.10 = 2,897.33 : x
  2. Step 2: Convert to fraction form
    5,255.11/7,252.10 = 2,897.33/x
  3. Step 3: Cross multiply
    5,255.11x = 7,252.10 × 2,897.33
  4. Step 4: Simplify right side
    5,255.11x = 21,011,745.02
  5. Step 5: Solve for x
    x = 21,011,745.02/5,255.11
  6. Step 6: Final answer
    x = 3,998.35

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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.