Home / 2,359.40-3,255.80-1,474.88

Finding the Fourth Proportional to 2,359.40, 3,255.80 and 1,474.88

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Solution

The fourth proportional to 2,359.40, 3,255.80 and 1,474.88 is: 2,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.40 : 3,255.80 = 1,474.88 : x
  2. Step 2: Convert to fraction form
    2,359.40/3,255.80 = 1,474.88/x
  3. Step 3: Cross multiply
    2,359.40x = 3,255.80 × 1,474.88
  4. Step 4: Simplify right side
    2,359.40x = 4,801,890.65
  5. Step 5: Solve for x
    x = 4,801,890.65/2,359.40
  6. Step 6: Final answer
    x = 2,035.22

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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.