Home / 4,811.74-6,640.34-2,716

Finding the Fourth Proportional to 4,811.74, 6,640.34 and 2,716

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Solution

The fourth proportional to 4,811.74, 6,640.34 and 2,716 is: 3,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.74 : 6,640.34 = 2,716 : x
  2. Step 2: Convert to fraction form
    4,811.74/6,640.34 = 2,716/x
  3. Step 3: Cross multiply
    4,811.74x = 6,640.34 × 2,716
  4. Step 4: Simplify right side
    4,811.74x = 18,035,163.44
  5. Step 5: Solve for x
    x = 18,035,163.44/4,811.74
  6. Step 6: Final answer
    x = 3,748.16

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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.