Home / 3,614.39-4,987.83-2,021.03

Finding the Fourth Proportional to 3,614.39, 4,987.83 and 2,021.03

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Solution

The fourth proportional to 3,614.39, 4,987.83 and 2,021.03 is: 2,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.39 : 4,987.83 = 2,021.03 : x
  2. Step 2: Convert to fraction form
    3,614.39/4,987.83 = 2,021.03/x
  3. Step 3: Cross multiply
    3,614.39x = 4,987.83 × 2,021.03
  4. Step 4: Simplify right side
    3,614.39x = 10,080,554.06
  5. Step 5: Solve for x
    x = 10,080,554.06/3,614.39
  6. Step 6: Final answer
    x = 2,789.01

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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.