Home / 7,929.63-10,942.00-4,391.95

Finding the Fourth Proportional to 7,929.63, 10,942.00 and 4,391.95

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Solution

The fourth proportional to 7,929.63, 10,942.00 and 4,391.95 is: 6,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.63 : 10,942.00 = 4,391.95 : x
  2. Step 2: Convert to fraction form
    7,929.63/10,942.00 = 4,391.95/x
  3. Step 3: Cross multiply
    7,929.63x = 10,942.00 × 4,391.95
  4. Step 4: Simplify right side
    7,929.63x = 48,056,755.23
  5. Step 5: Solve for x
    x = 48,056,755.23/7,929.63
  6. Step 6: Final answer
    x = 6,060.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.