Home / 4,790.12-7,186.42-1,869.26

Finding the Fourth Proportional to 4,790.12, 7,186.42 and 1,869.26

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Solution

The fourth proportional to 4,790.12, 7,186.42 and 1,869.26 is: 2,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.12 : 7,186.42 = 1,869.26 : x
  2. Step 2: Convert to fraction form
    4,790.12/7,186.42 = 1,869.26/x
  3. Step 3: Cross multiply
    4,790.12x = 7,186.42 × 1,869.26
  4. Step 4: Simplify right side
    4,790.12x = 13,433,287.45
  5. Step 5: Solve for x
    x = 13,433,287.45/4,790.12
  6. Step 6: Final answer
    x = 2,804.37

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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.