Home / 4,108.61-5,669.91-2,245.61

Finding the Fourth Proportional to 4,108.61, 5,669.91 and 2,245.61

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Solution

The fourth proportional to 4,108.61, 5,669.91 and 2,245.61 is: 3,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.61 : 5,669.91 = 2,245.61 : x
  2. Step 2: Convert to fraction form
    4,108.61/5,669.91 = 2,245.61/x
  3. Step 3: Cross multiply
    4,108.61x = 5,669.91 × 2,245.61
  4. Step 4: Simplify right side
    4,108.61x = 12,732,406.60
  5. Step 5: Solve for x
    x = 12,732,406.60/4,108.61
  6. Step 6: Final answer
    x = 3,098.96

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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.