Home / 1,955.16-2,932.92-1,382.76

Finding the Fourth Proportional to 1,955.16, 2,932.92 and 1,382.76

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Solution

The fourth proportional to 1,955.16, 2,932.92 and 1,382.76 is: 2,074.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.16 : 2,932.92 = 1,382.76 : x
  2. Step 2: Convert to fraction form
    1,955.16/2,932.92 = 1,382.76/x
  3. Step 3: Cross multiply
    1,955.16x = 2,932.92 × 1,382.76
  4. Step 4: Simplify right side
    1,955.16x = 4,055,524.46
  5. Step 5: Solve for x
    x = 4,055,524.46/1,955.16
  6. Step 6: Final answer
    x = 2,074.27

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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.