Home / 6,110.81-8,431.85-3,753.71

Finding the Fourth Proportional to 6,110.81, 8,431.85 and 3,753.71

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Solution

The fourth proportional to 6,110.81, 8,431.85 and 3,753.71 is: 5,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.81 : 8,431.85 = 3,753.71 : x
  2. Step 2: Convert to fraction form
    6,110.81/8,431.85 = 3,753.71/x
  3. Step 3: Cross multiply
    6,110.81x = 8,431.85 × 3,753.71
  4. Step 4: Simplify right side
    6,110.81x = 31,650,697.39
  5. Step 5: Solve for x
    x = 31,650,697.39/6,110.81
  6. Step 6: Final answer
    x = 5,179.46

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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.