Home / 5,213.89-7,823.04-3,459.50

Finding the Fourth Proportional to 5,213.89, 7,823.04 and 3,459.50

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Solution

The fourth proportional to 5,213.89, 7,823.04 and 3,459.50 is: 5,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.89 : 7,823.04 = 3,459.50 : x
  2. Step 2: Convert to fraction form
    5,213.89/7,823.04 = 3,459.50/x
  3. Step 3: Cross multiply
    5,213.89x = 7,823.04 × 3,459.50
  4. Step 4: Simplify right side
    5,213.89x = 27,063,806.88
  5. Step 5: Solve for x
    x = 27,063,806.88/5,213.89
  6. Step 6: Final answer
    x = 5,190.72

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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.