Home / 5,713.46-7,884.71-3,195.51

Finding the Fourth Proportional to 5,713.46, 7,884.71 and 3,195.51

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Solution

The fourth proportional to 5,713.46, 7,884.71 and 3,195.51 is: 4,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.46 : 7,884.71 = 3,195.51 : x
  2. Step 2: Convert to fraction form
    5,713.46/7,884.71 = 3,195.51/x
  3. Step 3: Cross multiply
    5,713.46x = 7,884.71 × 3,195.51
  4. Step 4: Simplify right side
    5,713.46x = 25,195,669.65
  5. Step 5: Solve for x
    x = 25,195,669.65/5,713.46
  6. Step 6: Final answer
    x = 4,409.88

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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.