Home / 5,619.96-8,429.91-1,724.25

Finding the Fourth Proportional to 5,619.96, 8,429.91 and 1,724.25

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Solution

The fourth proportional to 5,619.96, 8,429.91 and 1,724.25 is: 2,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.96 : 8,429.91 = 1,724.25 : x
  2. Step 2: Convert to fraction form
    5,619.96/8,429.91 = 1,724.25/x
  3. Step 3: Cross multiply
    5,619.96x = 8,429.91 × 1,724.25
  4. Step 4: Simplify right side
    5,619.96x = 14,535,272.32
  5. Step 5: Solve for x
    x = 14,535,272.32/5,619.96
  6. Step 6: Final answer
    x = 2,586.37

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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.