Home / 2,002.22-2,762.95-1,118.02

Finding the Fourth Proportional to 2,002.22, 2,762.95 and 1,118.02

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Solution

The fourth proportional to 2,002.22, 2,762.95 and 1,118.02 is: 1,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.22 : 2,762.95 = 1,118.02 : x
  2. Step 2: Convert to fraction form
    2,002.22/2,762.95 = 1,118.02/x
  3. Step 3: Cross multiply
    2,002.22x = 2,762.95 × 1,118.02
  4. Step 4: Simplify right side
    2,002.22x = 3,089,013.95
  5. Step 5: Solve for x
    x = 3,089,013.95/2,002.22
  6. Step 6: Final answer
    x = 1,542.79

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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.