Home / 3,709.95-5,119.53-2,031.03

Finding the Fourth Proportional to 3,709.95, 5,119.53 and 2,031.03

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Solution

The fourth proportional to 3,709.95, 5,119.53 and 2,031.03 is: 2,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.95 : 5,119.53 = 2,031.03 : x
  2. Step 2: Convert to fraction form
    3,709.95/5,119.53 = 2,031.03/x
  3. Step 3: Cross multiply
    3,709.95x = 5,119.53 × 2,031.03
  4. Step 4: Simplify right side
    3,709.95x = 10,397,930.60
  5. Step 5: Solve for x
    x = 10,397,930.60/3,709.95
  6. Step 6: Final answer
    x = 2,802.71

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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.