Home / 1,232.91-1,849.38-713.70

Finding the Fourth Proportional to 1,232.91, 1,849.38 and 713.70

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Solution

The fourth proportional to 1,232.91, 1,849.38 and 713.70 is: 1,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.91 : 1,849.38 = 713.70 : x
  2. Step 2: Convert to fraction form
    1,232.91/1,849.38 = 713.70/x
  3. Step 3: Cross multiply
    1,232.91x = 1,849.38 × 713.70
  4. Step 4: Simplify right side
    1,232.91x = 1,319,902.51
  5. Step 5: Solve for x
    x = 1,319,902.51/1,232.91
  6. Step 6: Final answer
    x = 1,070.56

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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.