Home / 4,808.28-7,206.75-2,172.69

Finding the Fourth Proportional to 4,808.28, 7,206.75 and 2,172.69

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Solution

The fourth proportional to 4,808.28, 7,206.75 and 2,172.69 is: 3,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.28 : 7,206.75 = 2,172.69 : x
  2. Step 2: Convert to fraction form
    4,808.28/7,206.75 = 2,172.69/x
  3. Step 3: Cross multiply
    4,808.28x = 7,206.75 × 2,172.69
  4. Step 4: Simplify right side
    4,808.28x = 15,658,033.66
  5. Step 5: Solve for x
    x = 15,658,033.66/4,808.28
  6. Step 6: Final answer
    x = 3,256.47

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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.