Home / 4,186.38-5,777.40-2,418.54

Finding the Fourth Proportional to 4,186.38, 5,777.40 and 2,418.54

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Solution

The fourth proportional to 4,186.38, 5,777.40 and 2,418.54 is: 3,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.38 : 5,777.40 = 2,418.54 : x
  2. Step 2: Convert to fraction form
    4,186.38/5,777.40 = 2,418.54/x
  3. Step 3: Cross multiply
    4,186.38x = 5,777.40 × 2,418.54
  4. Step 4: Simplify right side
    4,186.38x = 13,972,873.00
  5. Step 5: Solve for x
    x = 13,972,873.00/4,186.38
  6. Step 6: Final answer
    x = 3,337.70

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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.