Home / 6,208.84-8,558.20-5,087.80

Finding the Fourth Proportional to 6,208.84, 8,558.20 and 5,087.80

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Solution

The fourth proportional to 6,208.84, 8,558.20 and 5,087.80 is: 7,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,208.84 : 8,558.20 = 5,087.80 : x
  2. Step 2: Convert to fraction form
    6,208.84/8,558.20 = 5,087.80/x
  3. Step 3: Cross multiply
    6,208.84x = 8,558.20 × 5,087.80
  4. Step 4: Simplify right side
    6,208.84x = 43,542,409.96
  5. Step 5: Solve for x
    x = 43,542,409.96/6,208.84
  6. Step 6: Final answer
    x = 7,012.97

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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.