Home / 4,982.55-7,474.37-1,864.05

Finding the Fourth Proportional to 4,982.55, 7,474.37 and 1,864.05

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Solution

The fourth proportional to 4,982.55, 7,474.37 and 1,864.05 is: 2,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.55 : 7,474.37 = 1,864.05 : x
  2. Step 2: Convert to fraction form
    4,982.55/7,474.37 = 1,864.05/x
  3. Step 3: Cross multiply
    4,982.55x = 7,474.37 × 1,864.05
  4. Step 4: Simplify right side
    4,982.55x = 13,932,590.08
  5. Step 5: Solve for x
    x = 13,932,590.08/4,982.55
  6. Step 6: Final answer
    x = 2,796.28

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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.