Home / 1,805.90-2,692.66-1,773.09

Finding the Fourth Proportional to 1,805.90, 2,692.66 and 1,773.09

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Solution

The fourth proportional to 1,805.90, 2,692.66 and 1,773.09 is: 2,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.90 : 2,692.66 = 1,773.09 : x
  2. Step 2: Convert to fraction form
    1,805.90/2,692.66 = 1,773.09/x
  3. Step 3: Cross multiply
    1,805.90x = 2,692.66 × 1,773.09
  4. Step 4: Simplify right side
    1,805.90x = 4,774,324.09
  5. Step 5: Solve for x
    x = 4,774,324.09/1,805.90
  6. Step 6: Final answer
    x = 2,643.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.