Home / 4,715.71-7,074.77-2,216.41

Finding the Fourth Proportional to 4,715.71, 7,074.77 and 2,216.41

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Solution

The fourth proportional to 4,715.71, 7,074.77 and 2,216.41 is: 3,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.71 : 7,074.77 = 2,216.41 : x
  2. Step 2: Convert to fraction form
    4,715.71/7,074.77 = 2,216.41/x
  3. Step 3: Cross multiply
    4,715.71x = 7,074.77 × 2,216.41
  4. Step 4: Simplify right side
    4,715.71x = 15,680,603.12
  5. Step 5: Solve for x
    x = 15,680,603.12/4,715.71
  6. Step 6: Final answer
    x = 3,325.18

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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.