Home / 3,356.67-4,636.56-2,555.12

Finding the Fourth Proportional to 3,356.67, 4,636.56 and 2,555.12

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Solution

The fourth proportional to 3,356.67, 4,636.56 and 2,555.12 is: 3,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.67 : 4,636.56 = 2,555.12 : x
  2. Step 2: Convert to fraction form
    3,356.67/4,636.56 = 2,555.12/x
  3. Step 3: Cross multiply
    3,356.67x = 4,636.56 × 2,555.12
  4. Step 4: Simplify right side
    3,356.67x = 11,846,978.78
  5. Step 5: Solve for x
    x = 11,846,978.78/3,356.67
  6. Step 6: Final answer
    x = 3,529.38

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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.