Home / 2,790.42-4,177.44-1,471.06

Finding the Fourth Proportional to 2,790.42, 4,177.44 and 1,471.06

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Solution

The fourth proportional to 2,790.42, 4,177.44 and 1,471.06 is: 2,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.42 : 4,177.44 = 1,471.06 : x
  2. Step 2: Convert to fraction form
    2,790.42/4,177.44 = 1,471.06/x
  3. Step 3: Cross multiply
    2,790.42x = 4,177.44 × 1,471.06
  4. Step 4: Simplify right side
    2,790.42x = 6,145,264.89
  5. Step 5: Solve for x
    x = 6,145,264.89/2,790.42
  6. Step 6: Final answer
    x = 2,202.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.