Home / 7,408.15-11,107.03-2,727.55

Finding the Fourth Proportional to 7,408.15, 11,107.03 and 2,727.55

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Solution

The fourth proportional to 7,408.15, 11,107.03 and 2,727.55 is: 4,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.15 : 11,107.03 = 2,727.55 : x
  2. Step 2: Convert to fraction form
    7,408.15/11,107.03 = 2,727.55/x
  3. Step 3: Cross multiply
    7,408.15x = 11,107.03 × 2,727.55
  4. Step 4: Simplify right side
    7,408.15x = 30,294,968.29
  5. Step 5: Solve for x
    x = 30,294,968.29/7,408.15
  6. Step 6: Final answer
    x = 4,089.41

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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.