Home / 2,195.71-3,290.52-1,576.66

Finding the Fourth Proportional to 2,195.71, 3,290.52 and 1,576.66

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Solution

The fourth proportional to 2,195.71, 3,290.52 and 1,576.66 is: 2,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.71 : 3,290.52 = 1,576.66 : x
  2. Step 2: Convert to fraction form
    2,195.71/3,290.52 = 1,576.66/x
  3. Step 3: Cross multiply
    2,195.71x = 3,290.52 × 1,576.66
  4. Step 4: Simplify right side
    2,195.71x = 5,188,031.26
  5. Step 5: Solve for x
    x = 5,188,031.26/2,195.71
  6. Step 6: Final answer
    x = 2,362.80

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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.