Home / 10,551.90-15,827.94-2,760.60

Finding the Fourth Proportional to 10,551.90, 15,827.94 and 2,760.60

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Solution

The fourth proportional to 10,551.90, 15,827.94 and 2,760.60 is: 4,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.90 : 15,827.94 = 2,760.60 : x
  2. Step 2: Convert to fraction form
    10,551.90/15,827.94 = 2,760.60/x
  3. Step 3: Cross multiply
    10,551.90x = 15,827.94 × 2,760.60
  4. Step 4: Simplify right side
    10,551.90x = 43,694,611.16
  5. Step 5: Solve for x
    x = 43,694,611.16/10,551.90
  6. Step 6: Final answer
    x = 4,140.92

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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.