Home / 1,786.53-2,465.41-1,000.83

Finding the Fourth Proportional to 1,786.53, 2,465.41 and 1,000.83

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Solution

The fourth proportional to 1,786.53, 2,465.41 and 1,000.83 is: 1,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.53 : 2,465.41 = 1,000.83 : x
  2. Step 2: Convert to fraction form
    1,786.53/2,465.41 = 1,000.83/x
  3. Step 3: Cross multiply
    1,786.53x = 2,465.41 × 1,000.83
  4. Step 4: Simplify right side
    1,786.53x = 2,467,456.29
  5. Step 5: Solve for x
    x = 2,467,456.29/1,786.53
  6. Step 6: Final answer
    x = 1,381.14

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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.