Home / 5,905.69-8,149.98-3,253.21

Finding the Fourth Proportional to 5,905.69, 8,149.98 and 3,253.21

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Solution

The fourth proportional to 5,905.69, 8,149.98 and 3,253.21 is: 4,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.69 : 8,149.98 = 3,253.21 : x
  2. Step 2: Convert to fraction form
    5,905.69/8,149.98 = 3,253.21/x
  3. Step 3: Cross multiply
    5,905.69x = 8,149.98 × 3,253.21
  4. Step 4: Simplify right side
    5,905.69x = 26,513,596.44
  5. Step 5: Solve for x
    x = 26,513,596.44/5,905.69
  6. Step 6: Final answer
    x = 4,489.50

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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.