Home / 7,190.32-10,787.76-2,260.46

Finding the Fourth Proportional to 7,190.32, 10,787.76 and 2,260.46

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Solution

The fourth proportional to 7,190.32, 10,787.76 and 2,260.46 is: 3,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.32 : 10,787.76 = 2,260.46 : x
  2. Step 2: Convert to fraction form
    7,190.32/10,787.76 = 2,260.46/x
  3. Step 3: Cross multiply
    7,190.32x = 10,787.76 × 2,260.46
  4. Step 4: Simplify right side
    7,190.32x = 24,385,299.97
  5. Step 5: Solve for x
    x = 24,385,299.97/7,190.32
  6. Step 6: Final answer
    x = 3,391.41

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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.