Home / 4,072.26-6,107.18-2,123.40

Finding the Fourth Proportional to 4,072.26, 6,107.18 and 2,123.40

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Solution

The fourth proportional to 4,072.26, 6,107.18 and 2,123.40 is: 3,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.26 : 6,107.18 = 2,123.40 : x
  2. Step 2: Convert to fraction form
    4,072.26/6,107.18 = 2,123.40/x
  3. Step 3: Cross multiply
    4,072.26x = 6,107.18 × 2,123.40
  4. Step 4: Simplify right side
    4,072.26x = 12,967,986.01
  5. Step 5: Solve for x
    x = 12,967,986.01/4,072.26
  6. Step 6: Final answer
    x = 3,184.47

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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.