Home / 3,760.51-5,189.38-2,081.99

Finding the Fourth Proportional to 3,760.51, 5,189.38 and 2,081.99

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Solution

The fourth proportional to 3,760.51, 5,189.38 and 2,081.99 is: 2,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.51 : 5,189.38 = 2,081.99 : x
  2. Step 2: Convert to fraction form
    3,760.51/5,189.38 = 2,081.99/x
  3. Step 3: Cross multiply
    3,760.51x = 5,189.38 × 2,081.99
  4. Step 4: Simplify right side
    3,760.51x = 10,804,240.66
  5. Step 5: Solve for x
    x = 10,804,240.66/3,760.51
  6. Step 6: Final answer
    x = 2,873.08

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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.