Home / 2,021.06-3,031.65-1,696.70

Finding the Fourth Proportional to 2,021.06, 3,031.65 and 1,696.70

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Solution

The fourth proportional to 2,021.06, 3,031.65 and 1,696.70 is: 2,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.06 : 3,031.65 = 1,696.70 : x
  2. Step 2: Convert to fraction form
    2,021.06/3,031.65 = 1,696.70/x
  3. Step 3: Cross multiply
    2,021.06x = 3,031.65 × 1,696.70
  4. Step 4: Simplify right side
    2,021.06x = 5,143,800.56
  5. Step 5: Solve for x
    x = 5,143,800.56/2,021.06
  6. Step 6: Final answer
    x = 2,545.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.