Home / 2,312.74-3,192.64-1,474.59

Finding the Fourth Proportional to 2,312.74, 3,192.64 and 1,474.59

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Solution

The fourth proportional to 2,312.74, 3,192.64 and 1,474.59 is: 2,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.74 : 3,192.64 = 1,474.59 : x
  2. Step 2: Convert to fraction form
    2,312.74/3,192.64 = 1,474.59/x
  3. Step 3: Cross multiply
    2,312.74x = 3,192.64 × 1,474.59
  4. Step 4: Simplify right side
    2,312.74x = 4,707,843.30
  5. Step 5: Solve for x
    x = 4,707,843.30/2,312.74
  6. Step 6: Final answer
    x = 2,035.61

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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.