Home / 1,905.87-2,629.83-1,066.35

Finding the Fourth Proportional to 1,905.87, 2,629.83 and 1,066.35

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Solution

The fourth proportional to 1,905.87, 2,629.83 and 1,066.35 is: 1,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.87 : 2,629.83 = 1,066.35 : x
  2. Step 2: Convert to fraction form
    1,905.87/2,629.83 = 1,066.35/x
  3. Step 3: Cross multiply
    1,905.87x = 2,629.83 × 1,066.35
  4. Step 4: Simplify right side
    1,905.87x = 2,804,319.22
  5. Step 5: Solve for x
    x = 2,804,319.22/1,905.87
  6. Step 6: Final answer
    x = 1,471.41

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