Home / 4,272.57-6,405.68-2,882.01

Finding the Fourth Proportional to 4,272.57, 6,405.68 and 2,882.01

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Solution

The fourth proportional to 4,272.57, 6,405.68 and 2,882.01 is: 4,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.57 : 6,405.68 = 2,882.01 : x
  2. Step 2: Convert to fraction form
    4,272.57/6,405.68 = 2,882.01/x
  3. Step 3: Cross multiply
    4,272.57x = 6,405.68 × 2,882.01
  4. Step 4: Simplify right side
    4,272.57x = 18,461,219.41
  5. Step 5: Solve for x
    x = 18,461,219.41/4,272.57
  6. Step 6: Final answer
    x = 4,320.87

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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.