Home / 2,823.16-3,899.46-2,035.84

Finding the Fourth Proportional to 2,823.16, 3,899.46 and 2,035.84

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Solution

The fourth proportional to 2,823.16, 3,899.46 and 2,035.84 is: 2,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.16 : 3,899.46 = 2,035.84 : x
  2. Step 2: Convert to fraction form
    2,823.16/3,899.46 = 2,035.84/x
  3. Step 3: Cross multiply
    2,823.16x = 3,899.46 × 2,035.84
  4. Step 4: Simplify right side
    2,823.16x = 7,938,676.65
  5. Step 5: Solve for x
    x = 7,938,676.65/2,823.16
  6. Step 6: Final answer
    x = 2,811.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.