Home / 7,624.27-11,435.49-3,459.86

Finding the Fourth Proportional to 7,624.27, 11,435.49 and 3,459.86

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Solution

The fourth proportional to 7,624.27, 11,435.49 and 3,459.86 is: 5,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.27 : 11,435.49 = 3,459.86 : x
  2. Step 2: Convert to fraction form
    7,624.27/11,435.49 = 3,459.86/x
  3. Step 3: Cross multiply
    7,624.27x = 11,435.49 × 3,459.86
  4. Step 4: Simplify right side
    7,624.27x = 39,565,137.25
  5. Step 5: Solve for x
    x = 39,565,137.25/7,624.27
  6. Step 6: Final answer
    x = 5,189.37

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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.