Home / 3,883.98-5,820.78-1,416.48

Finding the Fourth Proportional to 3,883.98, 5,820.78 and 1,416.48

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Solution

The fourth proportional to 3,883.98, 5,820.78 and 1,416.48 is: 2,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.98 : 5,820.78 = 1,416.48 : x
  2. Step 2: Convert to fraction form
    3,883.98/5,820.78 = 1,416.48/x
  3. Step 3: Cross multiply
    3,883.98x = 5,820.78 × 1,416.48
  4. Step 4: Simplify right side
    3,883.98x = 8,245,018.45
  5. Step 5: Solve for x
    x = 8,245,018.45/3,883.98
  6. Step 6: Final answer
    x = 2,122.83

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1.5x scale

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.