Home / 3,367.47-4,645.48-2,172.14

Finding the Fourth Proportional to 3,367.47, 4,645.48 and 2,172.14

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Solution

The fourth proportional to 3,367.47, 4,645.48 and 2,172.14 is: 2,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.47 : 4,645.48 = 2,172.14 : x
  2. Step 2: Convert to fraction form
    3,367.47/4,645.48 = 2,172.14/x
  3. Step 3: Cross multiply
    3,367.47x = 4,645.48 × 2,172.14
  4. Step 4: Simplify right side
    3,367.47x = 10,090,632.93
  5. Step 5: Solve for x
    x = 10,090,632.93/3,367.47
  6. Step 6: Final answer
    x = 2,996.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.