Home / 6,110.72-8,433.70-3,872.81

Finding the Fourth Proportional to 6,110.72, 8,433.70 and 3,872.81

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Solution

The fourth proportional to 6,110.72, 8,433.70 and 3,872.81 is: 5,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.72 : 8,433.70 = 3,872.81 : x
  2. Step 2: Convert to fraction form
    6,110.72/8,433.70 = 3,872.81/x
  3. Step 3: Cross multiply
    6,110.72x = 8,433.70 × 3,872.81
  4. Step 4: Simplify right side
    6,110.72x = 32,662,065.85
  5. Step 5: Solve for x
    x = 32,662,065.85/6,110.72
  6. Step 6: Final answer
    x = 5,345.04

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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.