Home / 5,254.91-7,251.82-2,897.13

Finding the Fourth Proportional to 5,254.91, 7,251.82 and 2,897.13

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Solution

The fourth proportional to 5,254.91, 7,251.82 and 2,897.13 is: 3,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.91 : 7,251.82 = 2,897.13 : x
  2. Step 2: Convert to fraction form
    5,254.91/7,251.82 = 2,897.13/x
  3. Step 3: Cross multiply
    5,254.91x = 7,251.82 × 2,897.13
  4. Step 4: Simplify right side
    5,254.91x = 21,009,458.03
  5. Step 5: Solve for x
    x = 21,009,458.03/5,254.91
  6. Step 6: Final answer
    x = 3,998.07

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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.