Home / 3,552.26-4,902.12-1,980.45

Finding the Fourth Proportional to 3,552.26, 4,902.12 and 1,980.45

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Solution

The fourth proportional to 3,552.26, 4,902.12 and 1,980.45 is: 2,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.26 : 4,902.12 = 1,980.45 : x
  2. Step 2: Convert to fraction form
    3,552.26/4,902.12 = 1,980.45/x
  3. Step 3: Cross multiply
    3,552.26x = 4,902.12 × 1,980.45
  4. Step 4: Simplify right side
    3,552.26x = 9,708,403.55
  5. Step 5: Solve for x
    x = 9,708,403.55/3,552.26
  6. Step 6: Final answer
    x = 2,733.03

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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.