Home / 1,790.03-2,669.39-1,605.75

Finding the Fourth Proportional to 1,790.03, 2,669.39 and 1,605.75

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Solution

The fourth proportional to 1,790.03, 2,669.39 and 1,605.75 is: 2,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.03 : 2,669.39 = 1,605.75 : x
  2. Step 2: Convert to fraction form
    1,790.03/2,669.39 = 1,605.75/x
  3. Step 3: Cross multiply
    1,790.03x = 2,669.39 × 1,605.75
  4. Step 4: Simplify right side
    1,790.03x = 4,286,364.96
  5. Step 5: Solve for x
    x = 4,286,364.96/1,790.03
  6. Step 6: Final answer
    x = 2,394.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.