Home / 6,089.85-8,408.39-4,000.05

Finding the Fourth Proportional to 6,089.85, 8,408.39 and 4,000.05

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Solution

The fourth proportional to 6,089.85, 8,408.39 and 4,000.05 is: 5,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,089.85 : 8,408.39 = 4,000.05 : x
  2. Step 2: Convert to fraction form
    6,089.85/8,408.39 = 4,000.05/x
  3. Step 3: Cross multiply
    6,089.85x = 8,408.39 × 4,000.05
  4. Step 4: Simplify right side
    6,089.85x = 33,633,980.42
  5. Step 5: Solve for x
    x = 33,633,980.42/6,089.85
  6. Step 6: Final answer
    x = 5,522.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.