Home / 7,450.53-11,175.80-1,903.89

Finding the Fourth Proportional to 7,450.53, 11,175.80 and 1,903.89

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Solution

The fourth proportional to 7,450.53, 11,175.80 and 1,903.89 is: 2,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.53 : 11,175.80 = 1,903.89 : x
  2. Step 2: Convert to fraction form
    7,450.53/11,175.80 = 1,903.89/x
  3. Step 3: Cross multiply
    7,450.53x = 11,175.80 × 1,903.89
  4. Step 4: Simplify right side
    7,450.53x = 21,277,493.86
  5. Step 5: Solve for x
    x = 21,277,493.86/7,450.53
  6. Step 6: Final answer
    x = 2,855.84

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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.