Home / 5,935.83-8,190.34-3,811.74

Finding the Fourth Proportional to 5,935.83, 8,190.34 and 3,811.74

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Solution

The fourth proportional to 5,935.83, 8,190.34 and 3,811.74 is: 5,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,935.83 : 8,190.34 = 3,811.74 : x
  2. Step 2: Convert to fraction form
    5,935.83/8,190.34 = 3,811.74/x
  3. Step 3: Cross multiply
    5,935.83x = 8,190.34 × 3,811.74
  4. Step 4: Simplify right side
    5,935.83x = 31,219,446.59
  5. Step 5: Solve for x
    x = 31,219,446.59/5,935.83
  6. Step 6: Final answer
    x = 5,259.49

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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.