Home / 2,823.29-4,236.81-1,069.88

Finding the Fourth Proportional to 2,823.29, 4,236.81 and 1,069.88

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Solution

The fourth proportional to 2,823.29, 4,236.81 and 1,069.88 is: 1,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.29 : 4,236.81 = 1,069.88 : x
  2. Step 2: Convert to fraction form
    2,823.29/4,236.81 = 1,069.88/x
  3. Step 3: Cross multiply
    2,823.29x = 4,236.81 × 1,069.88
  4. Step 4: Simplify right side
    2,823.29x = 4,532,853.09
  5. Step 5: Solve for x
    x = 4,532,853.09/2,823.29
  6. Step 6: Final answer
    x = 1,605.52

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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.