Home / 3,707.04-5,115.81-2,028.54

Finding the Fourth Proportional to 3,707.04, 5,115.81 and 2,028.54

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Solution

The fourth proportional to 3,707.04, 5,115.81 and 2,028.54 is: 2,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.04 : 5,115.81 = 2,028.54 : x
  2. Step 2: Convert to fraction form
    3,707.04/5,115.81 = 2,028.54/x
  3. Step 3: Cross multiply
    3,707.04x = 5,115.81 × 2,028.54
  4. Step 4: Simplify right side
    3,707.04x = 10,377,625.22
  5. Step 5: Solve for x
    x = 10,377,625.22/3,707.04
  6. Step 6: Final answer
    x = 2,799.44

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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.