Home / 1,919.54-2,633.40-1,826.58

Finding the Fourth Proportional to 1,919.54, 2,633.40 and 1,826.58

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Solution

The fourth proportional to 1,919.54, 2,633.40 and 1,826.58 is: 2,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.54 : 2,633.40 = 1,826.58 : x
  2. Step 2: Convert to fraction form
    1,919.54/2,633.40 = 1,826.58/x
  3. Step 3: Cross multiply
    1,919.54x = 2,633.40 × 1,826.58
  4. Step 4: Simplify right side
    1,919.54x = 4,810,115.77
  5. Step 5: Solve for x
    x = 4,810,115.77/1,919.54
  6. Step 6: Final answer
    x = 2,505.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.