Home / 3,707.37-5,117.31-2,136.51

Finding the Fourth Proportional to 3,707.37, 5,117.31 and 2,136.51

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Solution

The fourth proportional to 3,707.37, 5,117.31 and 2,136.51 is: 2,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.37 : 5,117.31 = 2,136.51 : x
  2. Step 2: Convert to fraction form
    3,707.37/5,117.31 = 2,136.51/x
  3. Step 3: Cross multiply
    3,707.37x = 5,117.31 × 2,136.51
  4. Step 4: Simplify right side
    3,707.37x = 10,933,183.99
  5. Step 5: Solve for x
    x = 10,933,183.99/3,707.37
  6. Step 6: Final answer
    x = 2,949.04

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Double scale
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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.