Home / 3,018.56-4,524.06-1,720.76

Finding the Fourth Proportional to 3,018.56, 4,524.06 and 1,720.76

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Solution

The fourth proportional to 3,018.56, 4,524.06 and 1,720.76 is: 2,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.56 : 4,524.06 = 1,720.76 : x
  2. Step 2: Convert to fraction form
    3,018.56/4,524.06 = 1,720.76/x
  3. Step 3: Cross multiply
    3,018.56x = 4,524.06 × 1,720.76
  4. Step 4: Simplify right side
    3,018.56x = 7,784,821.49
  5. Step 5: Solve for x
    x = 7,784,821.49/3,018.56
  6. Step 6: Final answer
    x = 2,578.99

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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.