Home / 1,797.19-2,480.74-1,116.36

Finding the Fourth Proportional to 1,797.19, 2,480.74 and 1,116.36

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Solution

The fourth proportional to 1,797.19, 2,480.74 and 1,116.36 is: 1,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.19 : 2,480.74 = 1,116.36 : x
  2. Step 2: Convert to fraction form
    1,797.19/2,480.74 = 1,116.36/x
  3. Step 3: Cross multiply
    1,797.19x = 2,480.74 × 1,116.36
  4. Step 4: Simplify right side
    1,797.19x = 2,769,386.50
  5. Step 5: Solve for x
    x = 2,769,386.50/1,797.19
  6. Step 6: Final answer
    x = 1,540.95

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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.