Home / 3,174.62-4,742.63-2,054.92

Finding the Fourth Proportional to 3,174.62, 4,742.63 and 2,054.92

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Solution

The fourth proportional to 3,174.62, 4,742.63 and 2,054.92 is: 3,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.62 : 4,742.63 = 2,054.92 : x
  2. Step 2: Convert to fraction form
    3,174.62/4,742.63 = 2,054.92/x
  3. Step 3: Cross multiply
    3,174.62x = 4,742.63 × 2,054.92
  4. Step 4: Simplify right side
    3,174.62x = 9,745,699.75
  5. Step 5: Solve for x
    x = 9,745,699.75/3,174.62
  6. Step 6: Final answer
    x = 3,069.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.