Home / 7,865.73-11,800.64-2,935.41

Finding the Fourth Proportional to 7,865.73, 11,800.64 and 2,935.41

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Solution

The fourth proportional to 7,865.73, 11,800.64 and 2,935.41 is: 4,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.73 : 11,800.64 = 2,935.41 : x
  2. Step 2: Convert to fraction form
    7,865.73/11,800.64 = 2,935.41/x
  3. Step 3: Cross multiply
    7,865.73x = 11,800.64 × 2,935.41
  4. Step 4: Simplify right side
    7,865.73x = 34,639,668.74
  5. Step 5: Solve for x
    x = 34,639,668.74/7,865.73
  6. Step 6: Final answer
    x = 4,403.87

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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.