Home / 3,048.41-4,572.61-739.91

Finding the Fourth Proportional to 3,048.41, 4,572.61 and 739.91

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Solution

The fourth proportional to 3,048.41, 4,572.61 and 739.91 is: 1,109.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.41 : 4,572.61 = 739.91 : x
  2. Step 2: Convert to fraction form
    3,048.41/4,572.61 = 739.91/x
  3. Step 3: Cross multiply
    3,048.41x = 4,572.61 × 739.91
  4. Step 4: Simplify right side
    3,048.41x = 3,383,319.87
  5. Step 5: Solve for x
    x = 3,383,319.87/3,048.41
  6. Step 6: Final answer
    x = 1,109.86

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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.