Home / 5,618.84-8,429.87-1,723.82

Finding the Fourth Proportional to 5,618.84, 8,429.87 and 1,723.82

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Solution

The fourth proportional to 5,618.84, 8,429.87 and 1,723.82 is: 2,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.84 : 8,429.87 = 1,723.82 : x
  2. Step 2: Convert to fraction form
    5,618.84/8,429.87 = 1,723.82/x
  3. Step 3: Cross multiply
    5,618.84x = 8,429.87 × 1,723.82
  4. Step 4: Simplify right side
    5,618.84x = 14,531,540.66
  5. Step 5: Solve for x
    x = 14,531,540.66/5,618.84
  6. Step 6: Final answer
    x = 2,586.22

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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.