Home / 3,195.92-4,409.35-1,798.40

Finding the Fourth Proportional to 3,195.92, 4,409.35 and 1,798.40

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Solution

The fourth proportional to 3,195.92, 4,409.35 and 1,798.40 is: 2,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.92 : 4,409.35 = 1,798.40 : x
  2. Step 2: Convert to fraction form
    3,195.92/4,409.35 = 1,798.40/x
  3. Step 3: Cross multiply
    3,195.92x = 4,409.35 × 1,798.40
  4. Step 4: Simplify right side
    3,195.92x = 7,929,748.50
  5. Step 5: Solve for x
    x = 7,929,748.50/3,195.92
  6. Step 6: Final answer
    x = 2,481.21

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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.