Home / 3,271.61-4,514.73-1,855.43

Finding the Fourth Proportional to 3,271.61, 4,514.73 and 1,855.43

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Solution

The fourth proportional to 3,271.61, 4,514.73 and 1,855.43 is: 2,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.61 : 4,514.73 = 1,855.43 : x
  2. Step 2: Convert to fraction form
    3,271.61/4,514.73 = 1,855.43/x
  3. Step 3: Cross multiply
    3,271.61x = 4,514.73 × 1,855.43
  4. Step 4: Simplify right side
    3,271.61x = 8,376,776.77
  5. Step 5: Solve for x
    x = 8,376,776.77/3,271.61
  6. Step 6: Final answer
    x = 2,560.44

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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.