Home / 3,050-4,207.59-1,790.65

Finding the Fourth Proportional to 3,050, 4,207.59 and 1,790.65

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Solution

The fourth proportional to 3,050, 4,207.59 and 1,790.65 is: 2,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050 : 4,207.59 = 1,790.65 : x
  2. Step 2: Convert to fraction form
    3,050/4,207.59 = 1,790.65/x
  3. Step 3: Cross multiply
    3,050x = 4,207.59 × 1,790.65
  4. Step 4: Simplify right side
    3,050x = 7,534,321.03
  5. Step 5: Solve for x
    x = 7,534,321.03/3,050
  6. Step 6: Final answer
    x = 2,470.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.