Home / 3,708.08-5,116.74-2,136.14

Finding the Fourth Proportional to 3,708.08, 5,116.74 and 2,136.14

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Solution

The fourth proportional to 3,708.08, 5,116.74 and 2,136.14 is: 2,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.08 : 5,116.74 = 2,136.14 : x
  2. Step 2: Convert to fraction form
    3,708.08/5,116.74 = 2,136.14/x
  3. Step 3: Cross multiply
    3,708.08x = 5,116.74 × 2,136.14
  4. Step 4: Simplify right side
    3,708.08x = 10,930,072.98
  5. Step 5: Solve for x
    x = 10,930,072.98/3,708.08
  6. Step 6: Final answer
    x = 2,947.64

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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.