Home / 3,512.34-4,846.55-2,020.32

Finding the Fourth Proportional to 3,512.34, 4,846.55 and 2,020.32

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Solution

The fourth proportional to 3,512.34, 4,846.55 and 2,020.32 is: 2,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.34 : 4,846.55 = 2,020.32 : x
  2. Step 2: Convert to fraction form
    3,512.34/4,846.55 = 2,020.32/x
  3. Step 3: Cross multiply
    3,512.34x = 4,846.55 × 2,020.32
  4. Step 4: Simplify right side
    3,512.34x = 9,791,571.79
  5. Step 5: Solve for x
    x = 9,791,571.79/3,512.34
  6. Step 6: Final answer
    x = 2,787.76

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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.