Home / 3,631.98-5,448.51-1,684.38

Finding the Fourth Proportional to 3,631.98, 5,448.51 and 1,684.38

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Solution

The fourth proportional to 3,631.98, 5,448.51 and 1,684.38 is: 2,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.98 : 5,448.51 = 1,684.38 : x
  2. Step 2: Convert to fraction form
    3,631.98/5,448.51 = 1,684.38/x
  3. Step 3: Cross multiply
    3,631.98x = 5,448.51 × 1,684.38
  4. Step 4: Simplify right side
    3,631.98x = 9,177,361.27
  5. Step 5: Solve for x
    x = 9,177,361.27/3,631.98
  6. Step 6: Final answer
    x = 2,526.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.