Home / 3,848.44-5,311.35-2,170.37

Finding the Fourth Proportional to 3,848.44, 5,311.35 and 2,170.37

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Solution

The fourth proportional to 3,848.44, 5,311.35 and 2,170.37 is: 2,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.44 : 5,311.35 = 2,170.37 : x
  2. Step 2: Convert to fraction form
    3,848.44/5,311.35 = 2,170.37/x
  3. Step 3: Cross multiply
    3,848.44x = 5,311.35 × 2,170.37
  4. Step 4: Simplify right side
    3,848.44x = 11,527,607.98
  5. Step 5: Solve for x
    x = 11,527,607.98/3,848.44
  6. Step 6: Final answer
    x = 2,995.40

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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.