Home / 5,619.36-8,429.08-2,498.64

Finding the Fourth Proportional to 5,619.36, 8,429.08 and 2,498.64

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Solution

The fourth proportional to 5,619.36, 8,429.08 and 2,498.64 is: 3,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.36 : 8,429.08 = 2,498.64 : x
  2. Step 2: Convert to fraction form
    5,619.36/8,429.08 = 2,498.64/x
  3. Step 3: Cross multiply
    5,619.36x = 8,429.08 × 2,498.64
  4. Step 4: Simplify right side
    5,619.36x = 21,061,236.45
  5. Step 5: Solve for x
    x = 21,061,236.45/5,619.36
  6. Step 6: Final answer
    x = 3,747.98

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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.