Home / 7,576.79-11,364.86-2,647.53

Finding the Fourth Proportional to 7,576.79, 11,364.86 and 2,647.53

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Solution

The fourth proportional to 7,576.79, 11,364.86 and 2,647.53 is: 3,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.79 : 11,364.86 = 2,647.53 : x
  2. Step 2: Convert to fraction form
    7,576.79/11,364.86 = 2,647.53/x
  3. Step 3: Cross multiply
    7,576.79x = 11,364.86 × 2,647.53
  4. Step 4: Simplify right side
    7,576.79x = 30,088,794.56
  5. Step 5: Solve for x
    x = 30,088,794.56/7,576.79
  6. Step 6: Final answer
    x = 3,971.18

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Why These Related Problems?

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