Home / 1,825.28-2,519.36-1,117.36

Finding the Fourth Proportional to 1,825.28, 2,519.36 and 1,117.36

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Solution

The fourth proportional to 1,825.28, 2,519.36 and 1,117.36 is: 1,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.28 : 2,519.36 = 1,117.36 : x
  2. Step 2: Convert to fraction form
    1,825.28/2,519.36 = 1,117.36/x
  3. Step 3: Cross multiply
    1,825.28x = 2,519.36 × 1,117.36
  4. Step 4: Simplify right side
    1,825.28x = 2,815,032.09
  5. Step 5: Solve for x
    x = 2,815,032.09/1,825.28
  6. Step 6: Final answer
    x = 1,542.25

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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.