Home / 4,021-5,551.26-3,134.92

Finding the Fourth Proportional to 4,021, 5,551.26 and 3,134.92

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Solution

The fourth proportional to 4,021, 5,551.26 and 3,134.92 is: 4,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021 : 5,551.26 = 3,134.92 : x
  2. Step 2: Convert to fraction form
    4,021/5,551.26 = 3,134.92/x
  3. Step 3: Cross multiply
    4,021x = 5,551.26 × 3,134.92
  4. Step 4: Simplify right side
    4,021x = 17,402,756.00
  5. Step 5: Solve for x
    x = 17,402,756.00/4,021
  6. Step 6: Final answer
    x = 4,327.97

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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.