Home / 5,175.88-7,764.44-1,890.52

Finding the Fourth Proportional to 5,175.88, 7,764.44 and 1,890.52

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Solution

The fourth proportional to 5,175.88, 7,764.44 and 1,890.52 is: 2,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.88 : 7,764.44 = 1,890.52 : x
  2. Step 2: Convert to fraction form
    5,175.88/7,764.44 = 1,890.52/x
  3. Step 3: Cross multiply
    5,175.88x = 7,764.44 × 1,890.52
  4. Step 4: Simplify right side
    5,175.88x = 14,678,829.11
  5. Step 5: Solve for x
    x = 14,678,829.11/5,175.88
  6. Step 6: Final answer
    x = 2,836.01

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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.