Home / 4,078.50-6,116.13-1,996.98

Finding the Fourth Proportional to 4,078.50, 6,116.13 and 1,996.98

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Solution

The fourth proportional to 4,078.50, 6,116.13 and 1,996.98 is: 2,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.50 : 6,116.13 = 1,996.98 : x
  2. Step 2: Convert to fraction form
    4,078.50/6,116.13 = 1,996.98/x
  3. Step 3: Cross multiply
    4,078.50x = 6,116.13 × 1,996.98
  4. Step 4: Simplify right side
    4,078.50x = 12,213,789.29
  5. Step 5: Solve for x
    x = 12,213,789.29/4,078.50
  6. Step 6: Final answer
    x = 2,994.68

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1.5x scale

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.