Home / 4,724.16-7,084.44-2,091.72

Finding the Fourth Proportional to 4,724.16, 7,084.44 and 2,091.72

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Solution

The fourth proportional to 4,724.16, 7,084.44 and 2,091.72 is: 3,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.16 : 7,084.44 = 2,091.72 : x
  2. Step 2: Convert to fraction form
    4,724.16/7,084.44 = 2,091.72/x
  3. Step 3: Cross multiply
    4,724.16x = 7,084.44 × 2,091.72
  4. Step 4: Simplify right side
    4,724.16x = 14,818,664.84
  5. Step 5: Solve for x
    x = 14,818,664.84/4,724.16
  6. Step 6: Final answer
    x = 3,136.78

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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.