Home / 1,976.68-2,726.10-1,480.42

Finding the Fourth Proportional to 1,976.68, 2,726.10 and 1,480.42

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Solution

The fourth proportional to 1,976.68, 2,726.10 and 1,480.42 is: 2,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.68 : 2,726.10 = 1,480.42 : x
  2. Step 2: Convert to fraction form
    1,976.68/2,726.10 = 1,480.42/x
  3. Step 3: Cross multiply
    1,976.68x = 2,726.10 × 1,480.42
  4. Step 4: Simplify right side
    1,976.68x = 4,035,772.96
  5. Step 5: Solve for x
    x = 4,035,772.96/1,976.68
  6. Step 6: Final answer
    x = 2,041.69

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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.