Home / 6,416.37-8,853.30-3,761.91

Finding the Fourth Proportional to 6,416.37, 8,853.30 and 3,761.91

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Solution

The fourth proportional to 6,416.37, 8,853.30 and 3,761.91 is: 5,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.37 : 8,853.30 = 3,761.91 : x
  2. Step 2: Convert to fraction form
    6,416.37/8,853.30 = 3,761.91/x
  3. Step 3: Cross multiply
    6,416.37x = 8,853.30 × 3,761.91
  4. Step 4: Simplify right side
    6,416.37x = 33,305,317.80
  5. Step 5: Solve for x
    x = 33,305,317.80/6,416.37
  6. Step 6: Final answer
    x = 5,190.68

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1.5x scale

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.