Home / 3,512.72-4,847.58-1,941.08

Finding the Fourth Proportional to 3,512.72, 4,847.58 and 1,941.08

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Solution

The fourth proportional to 3,512.72, 4,847.58 and 1,941.08 is: 2,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.72 : 4,847.58 = 1,941.08 : x
  2. Step 2: Convert to fraction form
    3,512.72/4,847.58 = 1,941.08/x
  3. Step 3: Cross multiply
    3,512.72x = 4,847.58 × 1,941.08
  4. Step 4: Simplify right side
    3,512.72x = 9,409,540.59
  5. Step 5: Solve for x
    x = 9,409,540.59/3,512.72
  6. Step 6: Final answer
    x = 2,678.70

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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.