Home / 6,190.45-8,541.32-3,767.81

Finding the Fourth Proportional to 6,190.45, 8,541.32 and 3,767.81

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Solution

The fourth proportional to 6,190.45, 8,541.32 and 3,767.81 is: 5,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.45 : 8,541.32 = 3,767.81 : x
  2. Step 2: Convert to fraction form
    6,190.45/8,541.32 = 3,767.81/x
  3. Step 3: Cross multiply
    6,190.45x = 8,541.32 × 3,767.81
  4. Step 4: Simplify right side
    6,190.45x = 32,182,009.36
  5. Step 5: Solve for x
    x = 32,182,009.36/6,190.45
  6. Step 6: Final answer
    x = 5,198.66

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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.