Home / 3,099.23-4,277.23-1,772.67

Finding the Fourth Proportional to 3,099.23, 4,277.23 and 1,772.67

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Solution

The fourth proportional to 3,099.23, 4,277.23 and 1,772.67 is: 2,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.23 : 4,277.23 = 1,772.67 : x
  2. Step 2: Convert to fraction form
    3,099.23/4,277.23 = 1,772.67/x
  3. Step 3: Cross multiply
    3,099.23x = 4,277.23 × 1,772.67
  4. Step 4: Simplify right side
    3,099.23x = 7,582,112.87
  5. Step 5: Solve for x
    x = 7,582,112.87/3,099.23
  6. Step 6: Final answer
    x = 2,446.45

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1.5x scale

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.