Home / 2,216.75-3,053.97-1,552.40

Finding the Fourth Proportional to 2,216.75, 3,053.97 and 1,552.40

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Solution

The fourth proportional to 2,216.75, 3,053.97 and 1,552.40 is: 2,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.75 : 3,053.97 = 1,552.40 : x
  2. Step 2: Convert to fraction form
    2,216.75/3,053.97 = 1,552.40/x
  3. Step 3: Cross multiply
    2,216.75x = 3,053.97 × 1,552.40
  4. Step 4: Simplify right side
    2,216.75x = 4,740,983.03
  5. Step 5: Solve for x
    x = 4,740,983.03/2,216.75
  6. Step 6: Final answer
    x = 2,138.71

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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.