Home / 5,457.36-8,186.08-2,682.48

Finding the Fourth Proportional to 5,457.36, 8,186.08 and 2,682.48

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Solution

The fourth proportional to 5,457.36, 8,186.08 and 2,682.48 is: 4,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.36 : 8,186.08 = 2,682.48 : x
  2. Step 2: Convert to fraction form
    5,457.36/8,186.08 = 2,682.48/x
  3. Step 3: Cross multiply
    5,457.36x = 8,186.08 × 2,682.48
  4. Step 4: Simplify right side
    5,457.36x = 21,958,995.88
  5. Step 5: Solve for x
    x = 21,958,995.88/5,457.36
  6. Step 6: Final answer
    x = 4,023.74

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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.