Home / 2,074.35-3,109.98-1,252.44

Finding the Fourth Proportional to 2,074.35, 3,109.98 and 1,252.44

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Solution

The fourth proportional to 2,074.35, 3,109.98 and 1,252.44 is: 1,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.35 : 3,109.98 = 1,252.44 : x
  2. Step 2: Convert to fraction form
    2,074.35/3,109.98 = 1,252.44/x
  3. Step 3: Cross multiply
    2,074.35x = 3,109.98 × 1,252.44
  4. Step 4: Simplify right side
    2,074.35x = 3,895,063.35
  5. Step 5: Solve for x
    x = 3,895,063.35/2,074.35
  6. Step 6: Final answer
    x = 1,877.73

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1.5x scale

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.