Home / 3,169.92-4,374.72-1,773.12

Finding the Fourth Proportional to 3,169.92, 4,374.72 and 1,773.12

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Solution

The fourth proportional to 3,169.92, 4,374.72 and 1,773.12 is: 2,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.92 : 4,374.72 = 1,773.12 : x
  2. Step 2: Convert to fraction form
    3,169.92/4,374.72 = 1,773.12/x
  3. Step 3: Cross multiply
    3,169.92x = 4,374.72 × 1,773.12
  4. Step 4: Simplify right side
    3,169.92x = 7,756,903.53
  5. Step 5: Solve for x
    x = 7,756,903.53/3,169.92
  6. Step 6: Final answer
    x = 2,447.03

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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.