Home / 4,716.90-7,073.19-2,118.15

Finding the Fourth Proportional to 4,716.90, 7,073.19 and 2,118.15

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Solution

The fourth proportional to 4,716.90, 7,073.19 and 2,118.15 is: 3,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.90 : 7,073.19 = 2,118.15 : x
  2. Step 2: Convert to fraction form
    4,716.90/7,073.19 = 2,118.15/x
  3. Step 3: Cross multiply
    4,716.90x = 7,073.19 × 2,118.15
  4. Step 4: Simplify right side
    4,716.90x = 14,982,077.40
  5. Step 5: Solve for x
    x = 14,982,077.40/4,716.90
  6. Step 6: Final answer
    x = 3,176.26

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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.