Home / 5,455.34-8,185.79-2,334.51

Finding the Fourth Proportional to 5,455.34, 8,185.79 and 2,334.51

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Solution

The fourth proportional to 5,455.34, 8,185.79 and 2,334.51 is: 3,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.34 : 8,185.79 = 2,334.51 : x
  2. Step 2: Convert to fraction form
    5,455.34/8,185.79 = 2,334.51/x
  3. Step 3: Cross multiply
    5,455.34x = 8,185.79 × 2,334.51
  4. Step 4: Simplify right side
    5,455.34x = 19,109,808.61
  5. Step 5: Solve for x
    x = 19,109,808.61/5,455.34
  6. Step 6: Final answer
    x = 3,502.95

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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.