Home / 6,965.15-10,442.85-3,450.87

Finding the Fourth Proportional to 6,965.15, 10,442.85 and 3,450.87

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Solution

The fourth proportional to 6,965.15, 10,442.85 and 3,450.87 is: 5,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.15 : 10,442.85 = 3,450.87 : x
  2. Step 2: Convert to fraction form
    6,965.15/10,442.85 = 3,450.87/x
  3. Step 3: Cross multiply
    6,965.15x = 10,442.85 × 3,450.87
  4. Step 4: Simplify right side
    6,965.15x = 36,036,917.78
  5. Step 5: Solve for x
    x = 36,036,917.78/6,965.15
  6. Step 6: Final answer
    x = 5,173.89

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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.