Home / 2,755.09-3,803.51-2,124.24

Finding the Fourth Proportional to 2,755.09, 3,803.51 and 2,124.24

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Solution

The fourth proportional to 2,755.09, 3,803.51 and 2,124.24 is: 2,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.09 : 3,803.51 = 2,124.24 : x
  2. Step 2: Convert to fraction form
    2,755.09/3,803.51 = 2,124.24/x
  3. Step 3: Cross multiply
    2,755.09x = 3,803.51 × 2,124.24
  4. Step 4: Simplify right side
    2,755.09x = 8,079,568.08
  5. Step 5: Solve for x
    x = 8,079,568.08/2,755.09
  6. Step 6: Final answer
    x = 2,932.60

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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.