Home / 3,136.49-4,327.37-1,958.24

Finding the Fourth Proportional to 3,136.49, 4,327.37 and 1,958.24

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Solution

The fourth proportional to 3,136.49, 4,327.37 and 1,958.24 is: 2,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.49 : 4,327.37 = 1,958.24 : x
  2. Step 2: Convert to fraction form
    3,136.49/4,327.37 = 1,958.24/x
  3. Step 3: Cross multiply
    3,136.49x = 4,327.37 × 1,958.24
  4. Step 4: Simplify right side
    3,136.49x = 8,474,019.24
  5. Step 5: Solve for x
    x = 8,474,019.24/3,136.49
  6. Step 6: Final answer
    x = 2,701.75

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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.