Home / 3,175.03-4,759.75-1,225.90

Finding the Fourth Proportional to 3,175.03, 4,759.75 and 1,225.90

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Solution

The fourth proportional to 3,175.03, 4,759.75 and 1,225.90 is: 1,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.03 : 4,759.75 = 1,225.90 : x
  2. Step 2: Convert to fraction form
    3,175.03/4,759.75 = 1,225.90/x
  3. Step 3: Cross multiply
    3,175.03x = 4,759.75 × 1,225.90
  4. Step 4: Simplify right side
    3,175.03x = 5,834,977.53
  5. Step 5: Solve for x
    x = 5,834,977.53/3,175.03
  6. Step 6: Final answer
    x = 1,837.77

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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.