Home / 1,953.08-2,695.92-1,396.36

Finding the Fourth Proportional to 1,953.08, 2,695.92 and 1,396.36

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Solution

The fourth proportional to 1,953.08, 2,695.92 and 1,396.36 is: 1,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.08 : 2,695.92 = 1,396.36 : x
  2. Step 2: Convert to fraction form
    1,953.08/2,695.92 = 1,396.36/x
  3. Step 3: Cross multiply
    1,953.08x = 2,695.92 × 1,396.36
  4. Step 4: Simplify right side
    1,953.08x = 3,764,474.85
  5. Step 5: Solve for x
    x = 3,764,474.85/1,953.08
  6. Step 6: Final answer
    x = 1,927.46

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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.