Home / 3,615.13-4,989.79-2,044.13

Finding the Fourth Proportional to 3,615.13, 4,989.79 and 2,044.13

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Solution

The fourth proportional to 3,615.13, 4,989.79 and 2,044.13 is: 2,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.13 : 4,989.79 = 2,044.13 : x
  2. Step 2: Convert to fraction form
    3,615.13/4,989.79 = 2,044.13/x
  3. Step 3: Cross multiply
    3,615.13x = 4,989.79 × 2,044.13
  4. Step 4: Simplify right side
    3,615.13x = 10,199,769.21
  5. Step 5: Solve for x
    x = 10,199,769.21/3,615.13
  6. Step 6: Final answer
    x = 2,821.42

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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.