Home / 5,202.76-7,179.70-2,844.90

Finding the Fourth Proportional to 5,202.76, 7,179.70 and 2,844.90

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Solution

The fourth proportional to 5,202.76, 7,179.70 and 2,844.90 is: 3,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.76 : 7,179.70 = 2,844.90 : x
  2. Step 2: Convert to fraction form
    5,202.76/7,179.70 = 2,844.90/x
  3. Step 3: Cross multiply
    5,202.76x = 7,179.70 × 2,844.90
  4. Step 4: Simplify right side
    5,202.76x = 20,425,532.09
  5. Step 5: Solve for x
    x = 20,425,532.09/5,202.76
  6. Step 6: Final answer
    x = 3,925.90

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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.