Home / 4,789.58-7,177.98-2,319.48

Finding the Fourth Proportional to 4,789.58, 7,177.98 and 2,319.48

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Solution

The fourth proportional to 4,789.58, 7,177.98 and 2,319.48 is: 3,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.58 : 7,177.98 = 2,319.48 : x
  2. Step 2: Convert to fraction form
    4,789.58/7,177.98 = 2,319.48/x
  3. Step 3: Cross multiply
    4,789.58x = 7,177.98 × 2,319.48
  4. Step 4: Simplify right side
    4,789.58x = 16,649,181.05
  5. Step 5: Solve for x
    x = 16,649,181.05/4,789.58
  6. Step 6: Final answer
    x = 3,476.13

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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.