Home / 4,073.55-5,613.44-2,891.31

Finding the Fourth Proportional to 4,073.55, 5,613.44 and 2,891.31

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Solution

The fourth proportional to 4,073.55, 5,613.44 and 2,891.31 is: 3,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.55 : 5,613.44 = 2,891.31 : x
  2. Step 2: Convert to fraction form
    4,073.55/5,613.44 = 2,891.31/x
  3. Step 3: Cross multiply
    4,073.55x = 5,613.44 × 2,891.31
  4. Step 4: Simplify right side
    4,073.55x = 16,230,180.75
  5. Step 5: Solve for x
    x = 16,230,180.75/4,073.55
  6. Step 6: Final answer
    x = 3,984.28

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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.