Home / 6,206.50-8,563.99-3,688.54

Finding the Fourth Proportional to 6,206.50, 8,563.99 and 3,688.54

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Solution

The fourth proportional to 6,206.50, 8,563.99 and 3,688.54 is: 5,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206.50 : 8,563.99 = 3,688.54 : x
  2. Step 2: Convert to fraction form
    6,206.50/8,563.99 = 3,688.54/x
  3. Step 3: Cross multiply
    6,206.50x = 8,563.99 × 3,688.54
  4. Step 4: Simplify right side
    6,206.50x = 31,588,619.67
  5. Step 5: Solve for x
    x = 31,588,619.67/6,206.50
  6. Step 6: Final answer
    x = 5,089.60

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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.