Home / 4,012.88-5,537.74-2,220.48

Finding the Fourth Proportional to 4,012.88, 5,537.74 and 2,220.48

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Solution

The fourth proportional to 4,012.88, 5,537.74 and 2,220.48 is: 3,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.88 : 5,537.74 = 2,220.48 : x
  2. Step 2: Convert to fraction form
    4,012.88/5,537.74 = 2,220.48/x
  3. Step 3: Cross multiply
    4,012.88x = 5,537.74 × 2,220.48
  4. Step 4: Simplify right side
    4,012.88x = 12,296,440.92
  5. Step 5: Solve for x
    x = 12,296,440.92/4,012.88
  6. Step 6: Final answer
    x = 3,064.24

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Half scale
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Double scale
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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.