Home / 7,740.45-11,611.52-2,474.24

Finding the Fourth Proportional to 7,740.45, 11,611.52 and 2,474.24

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Solution

The fourth proportional to 7,740.45, 11,611.52 and 2,474.24 is: 3,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.45 : 11,611.52 = 2,474.24 : x
  2. Step 2: Convert to fraction form
    7,740.45/11,611.52 = 2,474.24/x
  3. Step 3: Cross multiply
    7,740.45x = 11,611.52 × 2,474.24
  4. Step 4: Simplify right side
    7,740.45x = 28,729,616.82
  5. Step 5: Solve for x
    x = 28,729,616.82/7,740.45
  6. Step 6: Final answer
    x = 3,711.62

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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.