Home / 5,333.85-8,002.49-2,215.35

Finding the Fourth Proportional to 5,333.85, 8,002.49 and 2,215.35

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Solution

The fourth proportional to 5,333.85, 8,002.49 and 2,215.35 is: 3,323.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.85 : 8,002.49 = 2,215.35 : x
  2. Step 2: Convert to fraction form
    5,333.85/8,002.49 = 2,215.35/x
  3. Step 3: Cross multiply
    5,333.85x = 8,002.49 × 2,215.35
  4. Step 4: Simplify right side
    5,333.85x = 17,728,347.62
  5. Step 5: Solve for x
    x = 17,728,347.62/5,333.85
  6. Step 6: Final answer
    x = 3,323.74

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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.