Home / 1,945.49-2,684.77-1,061.29

Finding the Fourth Proportional to 1,945.49, 2,684.77 and 1,061.29

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Solution

The fourth proportional to 1,945.49, 2,684.77 and 1,061.29 is: 1,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.49 : 2,684.77 = 1,061.29 : x
  2. Step 2: Convert to fraction form
    1,945.49/2,684.77 = 1,061.29/x
  3. Step 3: Cross multiply
    1,945.49x = 2,684.77 × 1,061.29
  4. Step 4: Simplify right side
    1,945.49x = 2,849,327.96
  5. Step 5: Solve for x
    x = 2,849,327.96/1,945.49
  6. Step 6: Final answer
    x = 1,464.58

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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.