Home / 6,215.46-8,576.81-3,662.81

Finding the Fourth Proportional to 6,215.46, 8,576.81 and 3,662.81

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Solution

The fourth proportional to 6,215.46, 8,576.81 and 3,662.81 is: 5,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.46 : 8,576.81 = 3,662.81 : x
  2. Step 2: Convert to fraction form
    6,215.46/8,576.81 = 3,662.81/x
  3. Step 3: Cross multiply
    6,215.46x = 8,576.81 × 3,662.81
  4. Step 4: Simplify right side
    6,215.46x = 31,415,225.44
  5. Step 5: Solve for x
    x = 31,415,225.44/6,215.46
  6. Step 6: Final answer
    x = 5,054.37

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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.