Home / 1,768.80-2,439.99-1,060.46

Finding the Fourth Proportional to 1,768.80, 2,439.99 and 1,060.46

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Solution

The fourth proportional to 1,768.80, 2,439.99 and 1,060.46 is: 1,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.80 : 2,439.99 = 1,060.46 : x
  2. Step 2: Convert to fraction form
    1,768.80/2,439.99 = 1,060.46/x
  3. Step 3: Cross multiply
    1,768.80x = 2,439.99 × 1,060.46
  4. Step 4: Simplify right side
    1,768.80x = 2,587,508.75
  5. Step 5: Solve for x
    x = 2,587,508.75/1,768.80
  6. Step 6: Final answer
    x = 1,462.86

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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.