Home / 5,871.52-8,806.83-2,172.01

Finding the Fourth Proportional to 5,871.52, 8,806.83 and 2,172.01

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Solution

The fourth proportional to 5,871.52, 8,806.83 and 2,172.01 is: 3,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.52 : 8,806.83 = 2,172.01 : x
  2. Step 2: Convert to fraction form
    5,871.52/8,806.83 = 2,172.01/x
  3. Step 3: Cross multiply
    5,871.52x = 8,806.83 × 2,172.01
  4. Step 4: Simplify right side
    5,871.52x = 19,128,522.83
  5. Step 5: Solve for x
    x = 19,128,522.83/5,871.52
  6. Step 6: Final answer
    x = 3,257.85

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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.