Home / 5,202.63-7,179.60-2,844.78

Finding the Fourth Proportional to 5,202.63, 7,179.60 and 2,844.78

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Solution

The fourth proportional to 5,202.63, 7,179.60 and 2,844.78 is: 3,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.63 : 7,179.60 = 2,844.78 : x
  2. Step 2: Convert to fraction form
    5,202.63/7,179.60 = 2,844.78/x
  3. Step 3: Cross multiply
    5,202.63x = 7,179.60 × 2,844.78
  4. Step 4: Simplify right side
    5,202.63x = 20,424,382.49
  5. Step 5: Solve for x
    x = 20,424,382.49/5,202.63
  6. Step 6: Final answer
    x = 3,925.78

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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.