Home / 4,942.75-7,415.85-2,477.02

Finding the Fourth Proportional to 4,942.75, 7,415.85 and 2,477.02

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Solution

The fourth proportional to 4,942.75, 7,415.85 and 2,477.02 is: 3,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.75 : 7,415.85 = 2,477.02 : x
  2. Step 2: Convert to fraction form
    4,942.75/7,415.85 = 2,477.02/x
  3. Step 3: Cross multiply
    4,942.75x = 7,415.85 × 2,477.02
  4. Step 4: Simplify right side
    4,942.75x = 18,369,208.77
  5. Step 5: Solve for x
    x = 18,369,208.77/4,942.75
  6. Step 6: Final answer
    x = 3,716.39

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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.