Home / 3,931.14-5,897.35-1,956.86

Finding the Fourth Proportional to 3,931.14, 5,897.35 and 1,956.86

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Solution

The fourth proportional to 3,931.14, 5,897.35 and 1,956.86 is: 2,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.14 : 5,897.35 = 1,956.86 : x
  2. Step 2: Convert to fraction form
    3,931.14/5,897.35 = 1,956.86/x
  3. Step 3: Cross multiply
    3,931.14x = 5,897.35 × 1,956.86
  4. Step 4: Simplify right side
    3,931.14x = 11,540,288.32
  5. Step 5: Solve for x
    x = 11,540,288.32/3,931.14
  6. Step 6: Final answer
    x = 2,935.61

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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.