Home / 5,087.44-7,631.30-1,624.69

Finding the Fourth Proportional to 5,087.44, 7,631.30 and 1,624.69

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Solution

The fourth proportional to 5,087.44, 7,631.30 and 1,624.69 is: 2,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.44 : 7,631.30 = 1,624.69 : x
  2. Step 2: Convert to fraction form
    5,087.44/7,631.30 = 1,624.69/x
  3. Step 3: Cross multiply
    5,087.44x = 7,631.30 × 1,624.69
  4. Step 4: Simplify right side
    5,087.44x = 12,398,469.60
  5. Step 5: Solve for x
    x = 12,398,469.60/5,087.44
  6. Step 6: Final answer
    x = 2,437.08

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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.