Home / 9,255.87-13,880.43-2,680.70

Finding the Fourth Proportional to 9,255.87, 13,880.43 and 2,680.70

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Solution

The fourth proportional to 9,255.87, 13,880.43 and 2,680.70 is: 4,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.87 : 13,880.43 = 2,680.70 : x
  2. Step 2: Convert to fraction form
    9,255.87/13,880.43 = 2,680.70/x
  3. Step 3: Cross multiply
    9,255.87x = 13,880.43 × 2,680.70
  4. Step 4: Simplify right side
    9,255.87x = 37,209,199.30
  5. Step 5: Solve for x
    x = 37,209,199.30/9,255.87
  6. Step 6: Final answer
    x = 4,020.07

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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.