Home / 3,970.10-5,944.20-2,012.74

Finding the Fourth Proportional to 3,970.10, 5,944.20 and 2,012.74

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Solution

The fourth proportional to 3,970.10, 5,944.20 and 2,012.74 is: 3,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.10 : 5,944.20 = 2,012.74 : x
  2. Step 2: Convert to fraction form
    3,970.10/5,944.20 = 2,012.74/x
  3. Step 3: Cross multiply
    3,970.10x = 5,944.20 × 2,012.74
  4. Step 4: Simplify right side
    3,970.10x = 11,964,129.11
  5. Step 5: Solve for x
    x = 11,964,129.11/3,970.10
  6. Step 6: Final answer
    x = 3,013.56

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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.