Home / 3,195.12-4,409.04-1,798.08

Finding the Fourth Proportional to 3,195.12, 4,409.04 and 1,798.08

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Solution

The fourth proportional to 3,195.12, 4,409.04 and 1,798.08 is: 2,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.12 : 4,409.04 = 1,798.08 : x
  2. Step 2: Convert to fraction form
    3,195.12/4,409.04 = 1,798.08/x
  3. Step 3: Cross multiply
    3,195.12x = 4,409.04 × 1,798.08
  4. Step 4: Simplify right side
    3,195.12x = 7,927,806.64
  5. Step 5: Solve for x
    x = 7,927,806.64/3,195.12
  6. Step 6: Final answer
    x = 2,481.22

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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.