Home / 2,975.67-4,107.00-1,716.69

Finding the Fourth Proportional to 2,975.67, 4,107.00 and 1,716.69

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Solution

The fourth proportional to 2,975.67, 4,107.00 and 1,716.69 is: 2,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.67 : 4,107.00 = 1,716.69 : x
  2. Step 2: Convert to fraction form
    2,975.67/4,107.00 = 1,716.69/x
  3. Step 3: Cross multiply
    2,975.67x = 4,107.00 × 1,716.69
  4. Step 4: Simplify right side
    2,975.67x = 7,050,467.67
  5. Step 5: Solve for x
    x = 7,050,467.67/2,975.67
  6. Step 6: Final answer
    x = 2,369.37

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1.5x scale

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.