Home / 4,080.57-5,631.27-2,217.57

Finding the Fourth Proportional to 4,080.57, 5,631.27 and 2,217.57

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Solution

The fourth proportional to 4,080.57, 5,631.27 and 2,217.57 is: 3,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.57 : 5,631.27 = 2,217.57 : x
  2. Step 2: Convert to fraction form
    4,080.57/5,631.27 = 2,217.57/x
  3. Step 3: Cross multiply
    4,080.57x = 5,631.27 × 2,217.57
  4. Step 4: Simplify right side
    4,080.57x = 12,487,735.41
  5. Step 5: Solve for x
    x = 12,487,735.41/4,080.57
  6. Step 6: Final answer
    x = 3,060.29

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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.