Home / 4,861.96-6,708.72-2,872.24

Finding the Fourth Proportional to 4,861.96, 6,708.72 and 2,872.24

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Solution

The fourth proportional to 4,861.96, 6,708.72 and 2,872.24 is: 3,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.96 : 6,708.72 = 2,872.24 : x
  2. Step 2: Convert to fraction form
    4,861.96/6,708.72 = 2,872.24/x
  3. Step 3: Cross multiply
    4,861.96x = 6,708.72 × 2,872.24
  4. Step 4: Simplify right side
    4,861.96x = 19,269,053.93
  5. Step 5: Solve for x
    x = 19,269,053.93/4,861.96
  6. Step 6: Final answer
    x = 3,963.23

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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.