Home / 1,773.36-2,447.64-1,151.28

Finding the Fourth Proportional to 1,773.36, 2,447.64 and 1,151.28

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Solution

The fourth proportional to 1,773.36, 2,447.64 and 1,151.28 is: 1,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.36 : 2,447.64 = 1,151.28 : x
  2. Step 2: Convert to fraction form
    1,773.36/2,447.64 = 1,151.28/x
  3. Step 3: Cross multiply
    1,773.36x = 2,447.64 × 1,151.28
  4. Step 4: Simplify right side
    1,773.36x = 2,817,918.98
  5. Step 5: Solve for x
    x = 2,817,918.98/1,773.36
  6. Step 6: Final answer
    x = 1,589.03

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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.