Home / 4,021.48-5,554.74-3,628.36

Finding the Fourth Proportional to 4,021.48, 5,554.74 and 3,628.36

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Solution

The fourth proportional to 4,021.48, 5,554.74 and 3,628.36 is: 5,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.48 : 5,554.74 = 3,628.36 : x
  2. Step 2: Convert to fraction form
    4,021.48/5,554.74 = 3,628.36/x
  3. Step 3: Cross multiply
    4,021.48x = 5,554.74 × 3,628.36
  4. Step 4: Simplify right side
    4,021.48x = 20,154,596.43
  5. Step 5: Solve for x
    x = 20,154,596.43/4,021.48
  6. Step 6: Final answer
    x = 5,011.74

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Half scale
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Double scale
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Similar ratio
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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.