Home / 4,029.60-5,561.26-2,261.36

Finding the Fourth Proportional to 4,029.60, 5,561.26 and 2,261.36

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Solution

The fourth proportional to 4,029.60, 5,561.26 and 2,261.36 is: 3,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029.60 : 5,561.26 = 2,261.36 : x
  2. Step 2: Convert to fraction form
    4,029.60/5,561.26 = 2,261.36/x
  3. Step 3: Cross multiply
    4,029.60x = 5,561.26 × 2,261.36
  4. Step 4: Simplify right side
    4,029.60x = 12,576,010.91
  5. Step 5: Solve for x
    x = 12,576,010.91/4,029.60
  6. Step 6: Final answer
    x = 3,120.91

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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.