Home / 3,271.19-4,516.09-2,153.99

Finding the Fourth Proportional to 3,271.19, 4,516.09 and 2,153.99

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Solution

The fourth proportional to 3,271.19, 4,516.09 and 2,153.99 is: 2,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.19 : 4,516.09 = 2,153.99 : x
  2. Step 2: Convert to fraction form
    3,271.19/4,516.09 = 2,153.99/x
  3. Step 3: Cross multiply
    3,271.19x = 4,516.09 × 2,153.99
  4. Step 4: Simplify right side
    3,271.19x = 9,727,618.60
  5. Step 5: Solve for x
    x = 9,727,618.60/3,271.19
  6. Step 6: Final answer
    x = 2,973.73

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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.