Home / 7,384.17-11,076.26-2,190

Finding the Fourth Proportional to 7,384.17, 11,076.26 and 2,190

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Solution

The fourth proportional to 7,384.17, 11,076.26 and 2,190 is: 3,285

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.17 : 11,076.26 = 2,190 : x
  2. Step 2: Convert to fraction form
    7,384.17/11,076.26 = 2,190/x
  3. Step 3: Cross multiply
    7,384.17x = 11,076.26 × 2,190
  4. Step 4: Simplify right side
    7,384.17x = 24,256,998.45
  5. Step 5: Solve for x
    x = 24,256,998.45/7,384.17
  6. Step 6: Final answer
    x = 3,285

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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.