Home / 3,038.76-4,193.46-1,843.80

Finding the Fourth Proportional to 3,038.76, 4,193.46 and 1,843.80

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Solution

The fourth proportional to 3,038.76, 4,193.46 and 1,843.80 is: 2,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.76 : 4,193.46 = 1,843.80 : x
  2. Step 2: Convert to fraction form
    3,038.76/4,193.46 = 1,843.80/x
  3. Step 3: Cross multiply
    3,038.76x = 4,193.46 × 1,843.80
  4. Step 4: Simplify right side
    3,038.76x = 7,731,901.55
  5. Step 5: Solve for x
    x = 7,731,901.55/3,038.76
  6. Step 6: Final answer
    x = 2,544.43

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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.