Home / 7,900.84-11,854.73-3,743.83

Finding the Fourth Proportional to 7,900.84, 11,854.73 and 3,743.83

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Solution

The fourth proportional to 7,900.84, 11,854.73 and 3,743.83 is: 5,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.84 : 11,854.73 = 3,743.83 : x
  2. Step 2: Convert to fraction form
    7,900.84/11,854.73 = 3,743.83/x
  3. Step 3: Cross multiply
    7,900.84x = 11,854.73 × 3,743.83
  4. Step 4: Simplify right side
    7,900.84x = 44,382,093.82
  5. Step 5: Solve for x
    x = 44,382,093.82/7,900.84
  6. Step 6: Final answer
    x = 5,617.39

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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.