Home / 2,826.19-3,900.10-1,567.25

Finding the Fourth Proportional to 2,826.19, 3,900.10 and 1,567.25

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Solution

The fourth proportional to 2,826.19, 3,900.10 and 1,567.25 is: 2,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.19 : 3,900.10 = 1,567.25 : x
  2. Step 2: Convert to fraction form
    2,826.19/3,900.10 = 1,567.25/x
  3. Step 3: Cross multiply
    2,826.19x = 3,900.10 × 1,567.25
  4. Step 4: Simplify right side
    2,826.19x = 6,112,425.87
  5. Step 5: Solve for x
    x = 6,112,425.87/2,826.19
  6. Step 6: Final answer
    x = 2,162.78

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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.