Home / 5,885.75-8,119.38-3,494.67

Finding the Fourth Proportional to 5,885.75, 8,119.38 and 3,494.67

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Solution

The fourth proportional to 5,885.75, 8,119.38 and 3,494.67 is: 4,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.75 : 8,119.38 = 3,494.67 : x
  2. Step 2: Convert to fraction form
    5,885.75/8,119.38 = 3,494.67/x
  3. Step 3: Cross multiply
    5,885.75x = 8,119.38 × 3,494.67
  4. Step 4: Simplify right side
    5,885.75x = 28,374,553.70
  5. Step 5: Solve for x
    x = 28,374,553.70/5,885.75
  6. Step 6: Final answer
    x = 4,820.89

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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.