Home / 3,552.34-4,902.39-1,980.44

Finding the Fourth Proportional to 3,552.34, 4,902.39 and 1,980.44

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Solution

The fourth proportional to 3,552.34, 4,902.39 and 1,980.44 is: 2,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.34 : 4,902.39 = 1,980.44 : x
  2. Step 2: Convert to fraction form
    3,552.34/4,902.39 = 1,980.44/x
  3. Step 3: Cross multiply
    3,552.34x = 4,902.39 × 1,980.44
  4. Step 4: Simplify right side
    3,552.34x = 9,708,889.25
  5. Step 5: Solve for x
    x = 9,708,889.25/3,552.34
  6. Step 6: Final answer
    x = 2,733.10

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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.