Home / 3,626.19-5,438.75-1,160.75

Finding the Fourth Proportional to 3,626.19, 5,438.75 and 1,160.75

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Solution

The fourth proportional to 3,626.19, 5,438.75 and 1,160.75 is: 1,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.19 : 5,438.75 = 1,160.75 : x
  2. Step 2: Convert to fraction form
    3,626.19/5,438.75 = 1,160.75/x
  3. Step 3: Cross multiply
    3,626.19x = 5,438.75 × 1,160.75
  4. Step 4: Simplify right side
    3,626.19x = 6,313,036.86
  5. Step 5: Solve for x
    x = 6,313,036.86/3,626.19
  6. Step 6: Final answer
    x = 1,740.96

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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.