Home / 3,116.07-4,299.94-1,771.82

Finding the Fourth Proportional to 3,116.07, 4,299.94 and 1,771.82

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Solution

The fourth proportional to 3,116.07, 4,299.94 and 1,771.82 is: 2,444.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.07 : 4,299.94 = 1,771.82 : x
  2. Step 2: Convert to fraction form
    3,116.07/4,299.94 = 1,771.82/x
  3. Step 3: Cross multiply
    3,116.07x = 4,299.94 × 1,771.82
  4. Step 4: Simplify right side
    3,116.07x = 7,618,730.75
  5. Step 5: Solve for x
    x = 7,618,730.75/3,116.07
  6. Step 6: Final answer
    x = 2,444.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.