Home / 5,619.74-8,431.56-2,501.96

Finding the Fourth Proportional to 5,619.74, 8,431.56 and 2,501.96

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Solution

The fourth proportional to 5,619.74, 8,431.56 and 2,501.96 is: 3,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.74 : 8,431.56 = 2,501.96 : x
  2. Step 2: Convert to fraction form
    5,619.74/8,431.56 = 2,501.96/x
  3. Step 3: Cross multiply
    5,619.74x = 8,431.56 × 2,501.96
  4. Step 4: Simplify right side
    5,619.74x = 21,095,383.70
  5. Step 5: Solve for x
    x = 21,095,383.70/5,619.74
  6. Step 6: Final answer
    x = 3,753.80

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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.