Home / 6,915.73-10,367.79-2,758.81

Finding the Fourth Proportional to 6,915.73, 10,367.79 and 2,758.81

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Solution

The fourth proportional to 6,915.73, 10,367.79 and 2,758.81 is: 4,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.73 : 10,367.79 = 2,758.81 : x
  2. Step 2: Convert to fraction form
    6,915.73/10,367.79 = 2,758.81/x
  3. Step 3: Cross multiply
    6,915.73x = 10,367.79 × 2,758.81
  4. Step 4: Simplify right side
    6,915.73x = 28,602,762.73
  5. Step 5: Solve for x
    x = 28,602,762.73/6,915.73
  6. Step 6: Final answer
    x = 4,135.90

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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.