Home / 5,704.04-7,871.49-3,186.18

Finding the Fourth Proportional to 5,704.04, 7,871.49 and 3,186.18

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Solution

The fourth proportional to 5,704.04, 7,871.49 and 3,186.18 is: 4,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.04 : 7,871.49 = 3,186.18 : x
  2. Step 2: Convert to fraction form
    5,704.04/7,871.49 = 3,186.18/x
  3. Step 3: Cross multiply
    5,704.04x = 7,871.49 × 3,186.18
  4. Step 4: Simplify right side
    5,704.04x = 25,079,984.01
  5. Step 5: Solve for x
    x = 25,079,984.01/5,704.04
  6. Step 6: Final answer
    x = 4,396.88

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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.