Home / 3,675.40-5,505.18-1,724.68

Finding the Fourth Proportional to 3,675.40, 5,505.18 and 1,724.68

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Solution

The fourth proportional to 3,675.40, 5,505.18 and 1,724.68 is: 2,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.40 : 5,505.18 = 1,724.68 : x
  2. Step 2: Convert to fraction form
    3,675.40/5,505.18 = 1,724.68/x
  3. Step 3: Cross multiply
    3,675.40x = 5,505.18 × 1,724.68
  4. Step 4: Simplify right side
    3,675.40x = 9,494,673.84
  5. Step 5: Solve for x
    x = 9,494,673.84/3,675.40
  6. Step 6: Final answer
    x = 2,583.30

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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.