Home / 7,930.34-11,897.85-2,384.54

Finding the Fourth Proportional to 7,930.34, 11,897.85 and 2,384.54

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Solution

The fourth proportional to 7,930.34, 11,897.85 and 2,384.54 is: 3,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.34 : 11,897.85 = 2,384.54 : x
  2. Step 2: Convert to fraction form
    7,930.34/11,897.85 = 2,384.54/x
  3. Step 3: Cross multiply
    7,930.34x = 11,897.85 × 2,384.54
  4. Step 4: Simplify right side
    7,930.34x = 28,370,899.24
  5. Step 5: Solve for x
    x = 28,370,899.24/7,930.34
  6. Step 6: Final answer
    x = 3,577.51

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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.