Home / 4,724.35-7,086.87-1,603.09

Finding the Fourth Proportional to 4,724.35, 7,086.87 and 1,603.09

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Solution

The fourth proportional to 4,724.35, 7,086.87 and 1,603.09 is: 2,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.35 : 7,086.87 = 1,603.09 : x
  2. Step 2: Convert to fraction form
    4,724.35/7,086.87 = 1,603.09/x
  3. Step 3: Cross multiply
    4,724.35x = 7,086.87 × 1,603.09
  4. Step 4: Simplify right side
    4,724.35x = 11,360,890.43
  5. Step 5: Solve for x
    x = 11,360,890.43/4,724.35
  6. Step 6: Final answer
    x = 2,404.75

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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.