Home / 2,716.22-4,071.21-1,153.91

Finding the Fourth Proportional to 2,716.22, 4,071.21 and 1,153.91

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Solution

The fourth proportional to 2,716.22, 4,071.21 and 1,153.91 is: 1,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.22 : 4,071.21 = 1,153.91 : x
  2. Step 2: Convert to fraction form
    2,716.22/4,071.21 = 1,153.91/x
  3. Step 3: Cross multiply
    2,716.22x = 4,071.21 × 1,153.91
  4. Step 4: Simplify right side
    2,716.22x = 4,697,809.93
  5. Step 5: Solve for x
    x = 4,697,809.93/2,716.22
  6. Step 6: Final answer
    x = 1,729.54

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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.