Home / 2,766.26-4,152.09-2,156.60

Finding the Fourth Proportional to 2,766.26, 4,152.09 and 2,156.60

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Solution

The fourth proportional to 2,766.26, 4,152.09 and 2,156.60 is: 3,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.26 : 4,152.09 = 2,156.60 : x
  2. Step 2: Convert to fraction form
    2,766.26/4,152.09 = 2,156.60/x
  3. Step 3: Cross multiply
    2,766.26x = 4,152.09 × 2,156.60
  4. Step 4: Simplify right side
    2,766.26x = 8,954,397.29
  5. Step 5: Solve for x
    x = 8,954,397.29/2,766.26
  6. Step 6: Final answer
    x = 3,237.00

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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.