Home / 7,738.42-11,598.11-3,572.79

Finding the Fourth Proportional to 7,738.42, 11,598.11 and 3,572.79

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Solution

The fourth proportional to 7,738.42, 11,598.11 and 3,572.79 is: 5,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.42 : 11,598.11 = 3,572.79 : x
  2. Step 2: Convert to fraction form
    7,738.42/11,598.11 = 3,572.79/x
  3. Step 3: Cross multiply
    7,738.42x = 11,598.11 × 3,572.79
  4. Step 4: Simplify right side
    7,738.42x = 41,437,611.43
  5. Step 5: Solve for x
    x = 41,437,611.43/7,738.42
  6. Step 6: Final answer
    x = 5,354.79

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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.