Home / 3,555.61-4,906.39-2,043.19

Finding the Fourth Proportional to 3,555.61, 4,906.39 and 2,043.19

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Solution

The fourth proportional to 3,555.61, 4,906.39 and 2,043.19 is: 2,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.61 : 4,906.39 = 2,043.19 : x
  2. Step 2: Convert to fraction form
    3,555.61/4,906.39 = 2,043.19/x
  3. Step 3: Cross multiply
    3,555.61x = 4,906.39 × 2,043.19
  4. Step 4: Simplify right side
    3,555.61x = 10,024,686.98
  5. Step 5: Solve for x
    x = 10,024,686.98/3,555.61
  6. Step 6: Final answer
    x = 2,819.40

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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.