Home / 7,941.75-11,915.93-3,497.14

Finding the Fourth Proportional to 7,941.75, 11,915.93 and 3,497.14

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Solution

The fourth proportional to 7,941.75, 11,915.93 and 3,497.14 is: 5,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.75 : 11,915.93 = 3,497.14 : x
  2. Step 2: Convert to fraction form
    7,941.75/11,915.93 = 3,497.14/x
  3. Step 3: Cross multiply
    7,941.75x = 11,915.93 × 3,497.14
  4. Step 4: Simplify right side
    7,941.75x = 41,671,675.44
  5. Step 5: Solve for x
    x = 41,671,675.44/7,941.75
  6. Step 6: Final answer
    x = 5,247.17

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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.