Home / 3,848.19-5,770.22-1,994.70

Finding the Fourth Proportional to 3,848.19, 5,770.22 and 1,994.70

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Solution

The fourth proportional to 3,848.19, 5,770.22 and 1,994.70 is: 2,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.19 : 5,770.22 = 1,994.70 : x
  2. Step 2: Convert to fraction form
    3,848.19/5,770.22 = 1,994.70/x
  3. Step 3: Cross multiply
    3,848.19x = 5,770.22 × 1,994.70
  4. Step 4: Simplify right side
    3,848.19x = 11,509,857.83
  5. Step 5: Solve for x
    x = 11,509,857.83/3,848.19
  6. Step 6: Final answer
    x = 2,990.98

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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.