Home / 3,271.88-4,514.86-1,855.28

Finding the Fourth Proportional to 3,271.88, 4,514.86 and 1,855.28

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Solution

The fourth proportional to 3,271.88, 4,514.86 and 1,855.28 is: 2,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.88 : 4,514.86 = 1,855.28 : x
  2. Step 2: Convert to fraction form
    3,271.88/4,514.86 = 1,855.28/x
  3. Step 3: Cross multiply
    3,271.88x = 4,514.86 × 1,855.28
  4. Step 4: Simplify right side
    3,271.88x = 8,376,297.61
  5. Step 5: Solve for x
    x = 8,376,297.61/3,271.88
  6. Step 6: Final answer
    x = 2,560.09

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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.