Home / 5,656.46-7,809.96-3,772.49

Finding the Fourth Proportional to 5,656.46, 7,809.96 and 3,772.49

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Solution

The fourth proportional to 5,656.46, 7,809.96 and 3,772.49 is: 5,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.46 : 7,809.96 = 3,772.49 : x
  2. Step 2: Convert to fraction form
    5,656.46/7,809.96 = 3,772.49/x
  3. Step 3: Cross multiply
    5,656.46x = 7,809.96 × 3,772.49
  4. Step 4: Simplify right side
    5,656.46x = 29,462,956.95
  5. Step 5: Solve for x
    x = 29,462,956.95/5,656.46
  6. Step 6: Final answer
    x = 5,208.73

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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.