Home / 7,629.16-11,445.35-2,631.99

Finding the Fourth Proportional to 7,629.16, 11,445.35 and 2,631.99

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Solution

The fourth proportional to 7,629.16, 11,445.35 and 2,631.99 is: 3,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.16 : 11,445.35 = 2,631.99 : x
  2. Step 2: Convert to fraction form
    7,629.16/11,445.35 = 2,631.99/x
  3. Step 3: Cross multiply
    7,629.16x = 11,445.35 × 2,631.99
  4. Step 4: Simplify right side
    7,629.16x = 30,124,046.75
  5. Step 5: Solve for x
    x = 30,124,046.75/7,629.16
  6. Step 6: Final answer
    x = 3,948.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.