Home / 5,050.98-6,968.42-3,161.78

Finding the Fourth Proportional to 5,050.98, 6,968.42 and 3,161.78

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Solution

The fourth proportional to 5,050.98, 6,968.42 and 3,161.78 is: 4,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.98 : 6,968.42 = 3,161.78 : x
  2. Step 2: Convert to fraction form
    5,050.98/6,968.42 = 3,161.78/x
  3. Step 3: Cross multiply
    5,050.98x = 6,968.42 × 3,161.78
  4. Step 4: Simplify right side
    5,050.98x = 22,032,610.99
  5. Step 5: Solve for x
    x = 22,032,610.99/5,050.98
  6. Step 6: Final answer
    x = 4,362.05

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1.5x scale

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.