Home / 5,255.05-7,251.94-2,897.19

Finding the Fourth Proportional to 5,255.05, 7,251.94 and 2,897.19

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Solution

The fourth proportional to 5,255.05, 7,251.94 and 2,897.19 is: 3,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.05 : 7,251.94 = 2,897.19 : x
  2. Step 2: Convert to fraction form
    5,255.05/7,251.94 = 2,897.19/x
  3. Step 3: Cross multiply
    5,255.05x = 7,251.94 × 2,897.19
  4. Step 4: Simplify right side
    5,255.05x = 21,010,276.14
  5. Step 5: Solve for x
    x = 21,010,276.14/5,255.05
  6. Step 6: Final answer
    x = 3,998.11

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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.