Home / 7,913.85-11,867.31-3,755.04

Finding the Fourth Proportional to 7,913.85, 11,867.31 and 3,755.04

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Solution

The fourth proportional to 7,913.85, 11,867.31 and 3,755.04 is: 5,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.85 : 11,867.31 = 3,755.04 : x
  2. Step 2: Convert to fraction form
    7,913.85/11,867.31 = 3,755.04/x
  3. Step 3: Cross multiply
    7,913.85x = 11,867.31 × 3,755.04
  4. Step 4: Simplify right side
    7,913.85x = 44,562,223.74
  5. Step 5: Solve for x
    x = 44,562,223.74/7,913.85
  6. Step 6: Final answer
    x = 5,630.92

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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.