Home / 4,021.96-5,550.51-2,253.46

Finding the Fourth Proportional to 4,021.96, 5,550.51 and 2,253.46

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Solution

The fourth proportional to 4,021.96, 5,550.51 and 2,253.46 is: 3,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.96 : 5,550.51 = 2,253.46 : x
  2. Step 2: Convert to fraction form
    4,021.96/5,550.51 = 2,253.46/x
  3. Step 3: Cross multiply
    4,021.96x = 5,550.51 × 2,253.46
  4. Step 4: Simplify right side
    4,021.96x = 12,507,852.26
  5. Step 5: Solve for x
    x = 12,507,852.26/4,021.96
  6. Step 6: Final answer
    x = 3,109.89

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Half scale
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Double scale
Find fourth proportional to 4,022.96, 5,551.89 and 2,254.46
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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.