Home / 3,512.54-4,847.36-1,940.64

Finding the Fourth Proportional to 3,512.54, 4,847.36 and 1,940.64

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Solution

The fourth proportional to 3,512.54, 4,847.36 and 1,940.64 is: 2,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.54 : 4,847.36 = 1,940.64 : x
  2. Step 2: Convert to fraction form
    3,512.54/4,847.36 = 1,940.64/x
  3. Step 3: Cross multiply
    3,512.54x = 4,847.36 × 1,940.64
  4. Step 4: Simplify right side
    3,512.54x = 9,406,980.71
  5. Step 5: Solve for x
    x = 9,406,980.71/3,512.54
  6. Step 6: Final answer
    x = 2,678.11

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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.