Home / 1,905.64-2,629.86-1,066.34

Finding the Fourth Proportional to 1,905.64, 2,629.86 and 1,066.34

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Solution

The fourth proportional to 1,905.64, 2,629.86 and 1,066.34 is: 1,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.64 : 2,629.86 = 1,066.34 : x
  2. Step 2: Convert to fraction form
    1,905.64/2,629.86 = 1,066.34/x
  3. Step 3: Cross multiply
    1,905.64x = 2,629.86 × 1,066.34
  4. Step 4: Simplify right side
    1,905.64x = 2,804,324.91
  5. Step 5: Solve for x
    x = 2,804,324.91/1,905.64
  6. Step 6: Final answer
    x = 1,471.59

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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.