Home / 7,924.52-11,890.43-4,031.66

Finding the Fourth Proportional to 7,924.52, 11,890.43 and 4,031.66

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Solution

The fourth proportional to 7,924.52, 11,890.43 and 4,031.66 is: 6,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.52 : 11,890.43 = 4,031.66 : x
  2. Step 2: Convert to fraction form
    7,924.52/11,890.43 = 4,031.66/x
  3. Step 3: Cross multiply
    7,924.52x = 11,890.43 × 4,031.66
  4. Step 4: Simplify right side
    7,924.52x = 47,938,091.40
  5. Step 5: Solve for x
    x = 47,938,091.40/7,924.52
  6. Step 6: Final answer
    x = 6,049.34

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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.