Home / 5,472.65-8,216.69-2,806.18

Finding the Fourth Proportional to 5,472.65, 8,216.69 and 2,806.18

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Solution

The fourth proportional to 5,472.65, 8,216.69 and 2,806.18 is: 4,213.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.65 : 8,216.69 = 2,806.18 : x
  2. Step 2: Convert to fraction form
    5,472.65/8,216.69 = 2,806.18/x
  3. Step 3: Cross multiply
    5,472.65x = 8,216.69 × 2,806.18
  4. Step 4: Simplify right side
    5,472.65x = 23,057,511.14
  5. Step 5: Solve for x
    x = 23,057,511.14/5,472.65
  6. Step 6: Final answer
    x = 4,213.23

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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.