Home / 6,862.93-10,286.45-3,157.39

Finding the Fourth Proportional to 6,862.93, 10,286.45 and 3,157.39

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Solution

The fourth proportional to 6,862.93, 10,286.45 and 3,157.39 is: 4,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.93 : 10,286.45 = 3,157.39 : x
  2. Step 2: Convert to fraction form
    6,862.93/10,286.45 = 3,157.39/x
  3. Step 3: Cross multiply
    6,862.93x = 10,286.45 × 3,157.39
  4. Step 4: Simplify right side
    6,862.93x = 32,478,334.37
  5. Step 5: Solve for x
    x = 32,478,334.37/6,862.93
  6. Step 6: Final answer
    x = 4,732.43

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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.