Home / 2,202.93-3,263.18-2,178.36

Finding the Fourth Proportional to 2,202.93, 3,263.18 and 2,178.36

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Solution

The fourth proportional to 2,202.93, 3,263.18 and 2,178.36 is: 3,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.93 : 3,263.18 = 2,178.36 : x
  2. Step 2: Convert to fraction form
    2,202.93/3,263.18 = 2,178.36/x
  3. Step 3: Cross multiply
    2,202.93x = 3,263.18 × 2,178.36
  4. Step 4: Simplify right side
    2,202.93x = 7,108,369.89
  5. Step 5: Solve for x
    x = 7,108,369.89/2,202.93
  6. Step 6: Final answer
    x = 3,226.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.