Home / 2,974.26-4,106.14-2,031.47

Finding the Fourth Proportional to 2,974.26, 4,106.14 and 2,031.47

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Solution

The fourth proportional to 2,974.26, 4,106.14 and 2,031.47 is: 2,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.26 : 4,106.14 = 2,031.47 : x
  2. Step 2: Convert to fraction form
    2,974.26/4,106.14 = 2,031.47/x
  3. Step 3: Cross multiply
    2,974.26x = 4,106.14 × 2,031.47
  4. Step 4: Simplify right side
    2,974.26x = 8,341,501.44
  5. Step 5: Solve for x
    x = 8,341,501.44/2,974.26
  6. Step 6: Final answer
    x = 2,804.56

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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.