Home / 5,682.16-8,523.40-1,786.80

Finding the Fourth Proportional to 5,682.16, 8,523.40 and 1,786.80

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Solution

The fourth proportional to 5,682.16, 8,523.40 and 1,786.80 is: 2,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.16 : 8,523.40 = 1,786.80 : x
  2. Step 2: Convert to fraction form
    5,682.16/8,523.40 = 1,786.80/x
  3. Step 3: Cross multiply
    5,682.16x = 8,523.40 × 1,786.80
  4. Step 4: Simplify right side
    5,682.16x = 15,229,611.12
  5. Step 5: Solve for x
    x = 15,229,611.12/5,682.16
  6. Step 6: Final answer
    x = 2,680.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.