Home / 7,971.46-11,957.80-2,425.22

Finding the Fourth Proportional to 7,971.46, 11,957.80 and 2,425.22

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Solution

The fourth proportional to 7,971.46, 11,957.80 and 2,425.22 is: 3,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.46 : 11,957.80 = 2,425.22 : x
  2. Step 2: Convert to fraction form
    7,971.46/11,957.80 = 2,425.22/x
  3. Step 3: Cross multiply
    7,971.46x = 11,957.80 × 2,425.22
  4. Step 4: Simplify right side
    7,971.46x = 29,000,252.44
  5. Step 5: Solve for x
    x = 29,000,252.44/7,971.46
  6. Step 6: Final answer
    x = 3,638.01

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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.