Home / 1,474.13-2,209.85-1,345.73

Finding the Fourth Proportional to 1,474.13, 2,209.85 and 1,345.73

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Solution

The fourth proportional to 1,474.13, 2,209.85 and 1,345.73 is: 2,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.13 : 2,209.85 = 1,345.73 : x
  2. Step 2: Convert to fraction form
    1,474.13/2,209.85 = 1,345.73/x
  3. Step 3: Cross multiply
    1,474.13x = 2,209.85 × 1,345.73
  4. Step 4: Simplify right side
    1,474.13x = 2,973,861.44
  5. Step 5: Solve for x
    x = 2,973,861.44/1,474.13
  6. Step 6: Final answer
    x = 2,017.37

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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.