Home / 6,476.75-9,716.75-2,777.15

Finding the Fourth Proportional to 6,476.75, 9,716.75 and 2,777.15

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Solution

The fourth proportional to 6,476.75, 9,716.75 and 2,777.15 is: 4,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.75 : 9,716.75 = 2,777.15 : x
  2. Step 2: Convert to fraction form
    6,476.75/9,716.75 = 2,777.15/x
  3. Step 3: Cross multiply
    6,476.75x = 9,716.75 × 2,777.15
  4. Step 4: Simplify right side
    6,476.75x = 26,984,872.26
  5. Step 5: Solve for x
    x = 26,984,872.26/6,476.75
  6. Step 6: Final answer
    x = 4,166.42

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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.