Home / 3,195.65-4,409.83-1,798.49

Finding the Fourth Proportional to 3,195.65, 4,409.83 and 1,798.49

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Solution

The fourth proportional to 3,195.65, 4,409.83 and 1,798.49 is: 2,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.65 : 4,409.83 = 1,798.49 : x
  2. Step 2: Convert to fraction form
    3,195.65/4,409.83 = 1,798.49/x
  3. Step 3: Cross multiply
    3,195.65x = 4,409.83 × 1,798.49
  4. Step 4: Simplify right side
    3,195.65x = 7,931,035.16
  5. Step 5: Solve for x
    x = 7,931,035.16/3,195.65
  6. Step 6: Final answer
    x = 2,481.82

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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.