Home / 3,112.93-4,668.03-1,651.75

Finding the Fourth Proportional to 3,112.93, 4,668.03 and 1,651.75

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Solution

The fourth proportional to 3,112.93, 4,668.03 and 1,651.75 is: 2,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.93 : 4,668.03 = 1,651.75 : x
  2. Step 2: Convert to fraction form
    3,112.93/4,668.03 = 1,651.75/x
  3. Step 3: Cross multiply
    3,112.93x = 4,668.03 × 1,651.75
  4. Step 4: Simplify right side
    3,112.93x = 7,710,418.55
  5. Step 5: Solve for x
    x = 7,710,418.55/3,112.93
  6. Step 6: Final answer
    x = 2,476.90

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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.