Home / 3,169.76-4,374.12-1,753.44

Finding the Fourth Proportional to 3,169.76, 4,374.12 and 1,753.44

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Solution

The fourth proportional to 3,169.76, 4,374.12 and 1,753.44 is: 2,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.76 : 4,374.12 = 1,753.44 : x
  2. Step 2: Convert to fraction form
    3,169.76/4,374.12 = 1,753.44/x
  3. Step 3: Cross multiply
    3,169.76x = 4,374.12 × 1,753.44
  4. Step 4: Simplify right side
    3,169.76x = 7,669,756.97
  5. Step 5: Solve for x
    x = 7,669,756.97/3,169.76
  6. Step 6: Final answer
    x = 2,419.66

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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.