Home / 2,960.12-4,076.70-2,644.04

Finding the Fourth Proportional to 2,960.12, 4,076.70 and 2,644.04

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Solution

The fourth proportional to 2,960.12, 4,076.70 and 2,644.04 is: 3,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.12 : 4,076.70 = 2,644.04 : x
  2. Step 2: Convert to fraction form
    2,960.12/4,076.70 = 2,644.04/x
  3. Step 3: Cross multiply
    2,960.12x = 4,076.70 × 2,644.04
  4. Step 4: Simplify right side
    2,960.12x = 10,778,957.87
  5. Step 5: Solve for x
    x = 10,778,957.87/2,960.12
  6. Step 6: Final answer
    x = 3,641.39

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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.