Home / 4,716.15-7,074.21-2,117.25

Finding the Fourth Proportional to 4,716.15, 7,074.21 and 2,117.25

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Solution

The fourth proportional to 4,716.15, 7,074.21 and 2,117.25 is: 3,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.15 : 7,074.21 = 2,117.25 : x
  2. Step 2: Convert to fraction form
    4,716.15/7,074.21 = 2,117.25/x
  3. Step 3: Cross multiply
    4,716.15x = 7,074.21 × 2,117.25
  4. Step 4: Simplify right side
    4,716.15x = 14,977,871.12
  5. Step 5: Solve for x
    x = 14,977,871.12/4,716.15
  6. Step 6: Final answer
    x = 3,175.87

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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.