Home / 4,140.62-5,714.16-2,372.80

Finding the Fourth Proportional to 4,140.62, 5,714.16 and 2,372.80

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Solution

The fourth proportional to 4,140.62, 5,714.16 and 2,372.80 is: 3,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.62 : 5,714.16 = 2,372.80 : x
  2. Step 2: Convert to fraction form
    4,140.62/5,714.16 = 2,372.80/x
  3. Step 3: Cross multiply
    4,140.62x = 5,714.16 × 2,372.80
  4. Step 4: Simplify right side
    4,140.62x = 13,558,558.85
  5. Step 5: Solve for x
    x = 13,558,558.85/4,140.62
  6. Step 6: Final answer
    x = 3,274.52

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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.