Home / 1,935.38-2,672.64-1,347.53

Finding the Fourth Proportional to 1,935.38, 2,672.64 and 1,347.53

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Solution

The fourth proportional to 1,935.38, 2,672.64 and 1,347.53 is: 1,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.38 : 2,672.64 = 1,347.53 : x
  2. Step 2: Convert to fraction form
    1,935.38/2,672.64 = 1,347.53/x
  3. Step 3: Cross multiply
    1,935.38x = 2,672.64 × 1,347.53
  4. Step 4: Simplify right side
    1,935.38x = 3,601,449.22
  5. Step 5: Solve for x
    x = 3,601,449.22/1,935.38
  6. Step 6: Final answer
    x = 1,860.85

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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.