Home / 9,092.03-13,638.21-2,851.90

Finding the Fourth Proportional to 9,092.03, 13,638.21 and 2,851.90

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Solution

The fourth proportional to 9,092.03, 13,638.21 and 2,851.90 is: 4,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,092.03 : 13,638.21 = 2,851.90 : x
  2. Step 2: Convert to fraction form
    9,092.03/13,638.21 = 2,851.90/x
  3. Step 3: Cross multiply
    9,092.03x = 13,638.21 × 2,851.90
  4. Step 4: Simplify right side
    9,092.03x = 38,894,811.10
  5. Step 5: Solve for x
    x = 38,894,811.10/9,092.03
  6. Step 6: Final answer
    x = 4,277.90

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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.