Home / 2,572.15-3,853.98-2,026.75

Finding the Fourth Proportional to 2,572.15, 3,853.98 and 2,026.75

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Solution

The fourth proportional to 2,572.15, 3,853.98 and 2,026.75 is: 3,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.15 : 3,853.98 = 2,026.75 : x
  2. Step 2: Convert to fraction form
    2,572.15/3,853.98 = 2,026.75/x
  3. Step 3: Cross multiply
    2,572.15x = 3,853.98 × 2,026.75
  4. Step 4: Simplify right side
    2,572.15x = 7,811,053.97
  5. Step 5: Solve for x
    x = 7,811,053.97/2,572.15
  6. Step 6: Final answer
    x = 3,036.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.