Home / 7,281.92-10,905.44-4,194.56

Finding the Fourth Proportional to 7,281.92, 10,905.44 and 4,194.56

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Solution

The fourth proportional to 7,281.92, 10,905.44 and 4,194.56 is: 6,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.92 : 10,905.44 = 4,194.56 : x
  2. Step 2: Convert to fraction form
    7,281.92/10,905.44 = 4,194.56/x
  3. Step 3: Cross multiply
    7,281.92x = 10,905.44 × 4,194.56
  4. Step 4: Simplify right side
    7,281.92x = 45,743,522.41
  5. Step 5: Solve for x
    x = 45,743,522.41/7,281.92
  6. Step 6: Final answer
    x = 6,281.79

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1.5x scale

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.