Home / 5,031.31-6,942.93-2,793.07

Finding the Fourth Proportional to 5,031.31, 6,942.93 and 2,793.07

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Solution

The fourth proportional to 5,031.31, 6,942.93 and 2,793.07 is: 3,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.31 : 6,942.93 = 2,793.07 : x
  2. Step 2: Convert to fraction form
    5,031.31/6,942.93 = 2,793.07/x
  3. Step 3: Cross multiply
    5,031.31x = 6,942.93 × 2,793.07
  4. Step 4: Simplify right side
    5,031.31x = 19,392,089.50
  5. Step 5: Solve for x
    x = 19,392,089.50/5,031.31
  6. Step 6: Final answer
    x = 3,854.28

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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.