Home / 4,288.35-5,917.80-2,519.89

Finding the Fourth Proportional to 4,288.35, 5,917.80 and 2,519.89

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Solution

The fourth proportional to 4,288.35, 5,917.80 and 2,519.89 is: 3,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.35 : 5,917.80 = 2,519.89 : x
  2. Step 2: Convert to fraction form
    4,288.35/5,917.80 = 2,519.89/x
  3. Step 3: Cross multiply
    4,288.35x = 5,917.80 × 2,519.89
  4. Step 4: Simplify right side
    4,288.35x = 14,912,205.04
  5. Step 5: Solve for x
    x = 14,912,205.04/4,288.35
  6. Step 6: Final answer
    x = 3,477.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.