Home / 7,956.72-11,935.08-2,762.60

Finding the Fourth Proportional to 7,956.72, 11,935.08 and 2,762.60

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Solution

The fourth proportional to 7,956.72, 11,935.08 and 2,762.60 is: 4,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.72 : 11,935.08 = 2,762.60 : x
  2. Step 2: Convert to fraction form
    7,956.72/11,935.08 = 2,762.60/x
  3. Step 3: Cross multiply
    7,956.72x = 11,935.08 × 2,762.60
  4. Step 4: Simplify right side
    7,956.72x = 32,971,785.43
  5. Step 5: Solve for x
    x = 32,971,785.43/7,956.72
  6. Step 6: Final answer
    x = 4,143.89

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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.