Home / 4,027.40-5,562.32-2,772.31

Finding the Fourth Proportional to 4,027.40, 5,562.32 and 2,772.31

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Solution

The fourth proportional to 4,027.40, 5,562.32 and 2,772.31 is: 3,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,027.40 : 5,562.32 = 2,772.31 : x
  2. Step 2: Convert to fraction form
    4,027.40/5,562.32 = 2,772.31/x
  3. Step 3: Cross multiply
    4,027.40x = 5,562.32 × 2,772.31
  4. Step 4: Simplify right side
    4,027.40x = 15,420,433.69
  5. Step 5: Solve for x
    x = 15,420,433.69/4,027.40
  6. Step 6: Final answer
    x = 3,828.88

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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.