Home / 2,806.14-4,207.82-1,636.55

Finding the Fourth Proportional to 2,806.14, 4,207.82 and 1,636.55

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Solution

The fourth proportional to 2,806.14, 4,207.82 and 1,636.55 is: 2,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.14 : 4,207.82 = 1,636.55 : x
  2. Step 2: Convert to fraction form
    2,806.14/4,207.82 = 1,636.55/x
  3. Step 3: Cross multiply
    2,806.14x = 4,207.82 × 1,636.55
  4. Step 4: Simplify right side
    2,806.14x = 6,886,278.60
  5. Step 5: Solve for x
    x = 6,886,278.60/2,806.14
  6. Step 6: Final answer
    x = 2,454.00

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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.