Home / 7,676.43-11,510.51-2,743.35

Finding the Fourth Proportional to 7,676.43, 11,510.51 and 2,743.35

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Solution

The fourth proportional to 7,676.43, 11,510.51 and 2,743.35 is: 4,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.43 : 11,510.51 = 2,743.35 : x
  2. Step 2: Convert to fraction form
    7,676.43/11,510.51 = 2,743.35/x
  3. Step 3: Cross multiply
    7,676.43x = 11,510.51 × 2,743.35
  4. Step 4: Simplify right side
    7,676.43x = 31,577,343.89
  5. Step 5: Solve for x
    x = 31,577,343.89/7,676.43
  6. Step 6: Final answer
    x = 4,113.55

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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.