Home / 5,431.53-7,493.68-3,441.80

Finding the Fourth Proportional to 5,431.53, 7,493.68 and 3,441.80

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Solution

The fourth proportional to 5,431.53, 7,493.68 and 3,441.80 is: 4,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.53 : 7,493.68 = 3,441.80 : x
  2. Step 2: Convert to fraction form
    5,431.53/7,493.68 = 3,441.80/x
  3. Step 3: Cross multiply
    5,431.53x = 7,493.68 × 3,441.80
  4. Step 4: Simplify right side
    5,431.53x = 25,791,770.86
  5. Step 5: Solve for x
    x = 25,791,770.86/5,431.53
  6. Step 6: Final answer
    x = 4,748.52

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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.