Home / 3,661.48-5,518.96-3,349.81

Finding the Fourth Proportional to 3,661.48, 5,518.96 and 3,349.81

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Solution

The fourth proportional to 3,661.48, 5,518.96 and 3,349.81 is: 5,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.48 : 5,518.96 = 3,349.81 : x
  2. Step 2: Convert to fraction form
    3,661.48/5,518.96 = 3,349.81/x
  3. Step 3: Cross multiply
    3,661.48x = 5,518.96 × 3,349.81
  4. Step 4: Simplify right side
    3,661.48x = 18,487,467.40
  5. Step 5: Solve for x
    x = 18,487,467.40/3,661.48
  6. Step 6: Final answer
    x = 5,049.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.