Home / 3,713.93-5,125.68-2,142.03

Finding the Fourth Proportional to 3,713.93, 5,125.68 and 2,142.03

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Solution

The fourth proportional to 3,713.93, 5,125.68 and 2,142.03 is: 2,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.93 : 5,125.68 = 2,142.03 : x
  2. Step 2: Convert to fraction form
    3,713.93/5,125.68 = 2,142.03/x
  3. Step 3: Cross multiply
    3,713.93x = 5,125.68 × 2,142.03
  4. Step 4: Simplify right side
    3,713.93x = 10,979,360.33
  5. Step 5: Solve for x
    x = 10,979,360.33/3,713.93
  6. Step 6: Final answer
    x = 2,956.27

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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.