Home / 2,817.17-4,224.47-1,172.73

Finding the Fourth Proportional to 2,817.17, 4,224.47 and 1,172.73

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Solution

The fourth proportional to 2,817.17, 4,224.47 and 1,172.73 is: 1,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.17 : 4,224.47 = 1,172.73 : x
  2. Step 2: Convert to fraction form
    2,817.17/4,224.47 = 1,172.73/x
  3. Step 3: Cross multiply
    2,817.17x = 4,224.47 × 1,172.73
  4. Step 4: Simplify right side
    2,817.17x = 4,954,156.84
  5. Step 5: Solve for x
    x = 4,954,156.84/2,817.17
  6. Step 6: Final answer
    x = 1,758.56

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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.