Home / 1,953.27-2,696.49-1,327.11

Finding the Fourth Proportional to 1,953.27, 2,696.49 and 1,327.11

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Solution

The fourth proportional to 1,953.27, 2,696.49 and 1,327.11 is: 1,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.27 : 2,696.49 = 1,327.11 : x
  2. Step 2: Convert to fraction form
    1,953.27/2,696.49 = 1,327.11/x
  3. Step 3: Cross multiply
    1,953.27x = 2,696.49 × 1,327.11
  4. Step 4: Simplify right side
    1,953.27x = 3,578,538.84
  5. Step 5: Solve for x
    x = 3,578,538.84/1,953.27
  6. Step 6: Final answer
    x = 1,832.08

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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.