Home / 3,136.72-4,336.08-2,513.41

Finding the Fourth Proportional to 3,136.72, 4,336.08 and 2,513.41

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Solution

The fourth proportional to 3,136.72, 4,336.08 and 2,513.41 is: 3,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.72 : 4,336.08 = 2,513.41 : x
  2. Step 2: Convert to fraction form
    3,136.72/4,336.08 = 2,513.41/x
  3. Step 3: Cross multiply
    3,136.72x = 4,336.08 × 2,513.41
  4. Step 4: Simplify right side
    3,136.72x = 10,898,346.83
  5. Step 5: Solve for x
    x = 10,898,346.83/3,136.72
  6. Step 6: Final answer
    x = 3,474.44

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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.