Home / 5,401.88-8,099.35-2,281.03

Finding the Fourth Proportional to 5,401.88, 8,099.35 and 2,281.03

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Solution

The fourth proportional to 5,401.88, 8,099.35 and 2,281.03 is: 3,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.88 : 8,099.35 = 2,281.03 : x
  2. Step 2: Convert to fraction form
    5,401.88/8,099.35 = 2,281.03/x
  3. Step 3: Cross multiply
    5,401.88x = 8,099.35 × 2,281.03
  4. Step 4: Simplify right side
    5,401.88x = 18,474,860.33
  5. Step 5: Solve for x
    x = 18,474,860.33/5,401.88
  6. Step 6: Final answer
    x = 3,420.08

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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.