Home / 2,211.87-3,055.51-2,012.36

Finding the Fourth Proportional to 2,211.87, 3,055.51 and 2,012.36

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Solution

The fourth proportional to 2,211.87, 3,055.51 and 2,012.36 is: 2,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.87 : 3,055.51 = 2,012.36 : x
  2. Step 2: Convert to fraction form
    2,211.87/3,055.51 = 2,012.36/x
  3. Step 3: Cross multiply
    2,211.87x = 3,055.51 × 2,012.36
  4. Step 4: Simplify right side
    2,211.87x = 6,148,779.21
  5. Step 5: Solve for x
    x = 6,148,779.21/2,211.87
  6. Step 6: Final answer
    x = 2,779.90

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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.