Home / 5,269.77-7,904.60-2,149.04

Finding the Fourth Proportional to 5,269.77, 7,904.60 and 2,149.04

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Solution

The fourth proportional to 5,269.77, 7,904.60 and 2,149.04 is: 3,223.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.77 : 7,904.60 = 2,149.04 : x
  2. Step 2: Convert to fraction form
    5,269.77/7,904.60 = 2,149.04/x
  3. Step 3: Cross multiply
    5,269.77x = 7,904.60 × 2,149.04
  4. Step 4: Simplify right side
    5,269.77x = 16,987,301.58
  5. Step 5: Solve for x
    x = 16,987,301.58/5,269.77
  6. Step 6: Final answer
    x = 3,223.54

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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.