Home / 3,372.47-4,653.91-2,114.21

Finding the Fourth Proportional to 3,372.47, 4,653.91 and 2,114.21

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Solution

The fourth proportional to 3,372.47, 4,653.91 and 2,114.21 is: 2,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.47 : 4,653.91 = 2,114.21 : x
  2. Step 2: Convert to fraction form
    3,372.47/4,653.91 = 2,114.21/x
  3. Step 3: Cross multiply
    3,372.47x = 4,653.91 × 2,114.21
  4. Step 4: Simplify right side
    3,372.47x = 9,839,351.99
  5. Step 5: Solve for x
    x = 9,839,351.99/3,372.47
  6. Step 6: Final answer
    x = 2,917.55

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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.