Home / 2,127.15-3,190.73-1,694.67

Finding the Fourth Proportional to 2,127.15, 3,190.73 and 1,694.67

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Solution

The fourth proportional to 2,127.15, 3,190.73 and 1,694.67 is: 2,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.15 : 3,190.73 = 1,694.67 : x
  2. Step 2: Convert to fraction form
    2,127.15/3,190.73 = 1,694.67/x
  3. Step 3: Cross multiply
    2,127.15x = 3,190.73 × 1,694.67
  4. Step 4: Simplify right side
    2,127.15x = 5,407,225.94
  5. Step 5: Solve for x
    x = 5,407,225.94/2,127.15
  6. Step 6: Final answer
    x = 2,542.01

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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.