Home / 1,786.13-2,464.90-1,000.18

Finding the Fourth Proportional to 1,786.13, 2,464.90 and 1,000.18

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Solution

The fourth proportional to 1,786.13, 2,464.90 and 1,000.18 is: 1,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.13 : 2,464.90 = 1,000.18 : x
  2. Step 2: Convert to fraction form
    1,786.13/2,464.90 = 1,000.18/x
  3. Step 3: Cross multiply
    1,786.13x = 2,464.90 × 1,000.18
  4. Step 4: Simplify right side
    1,786.13x = 2,465,331.36
  5. Step 5: Solve for x
    x = 2,465,331.36/1,786.13
  6. Step 6: Final answer
    x = 1,380.26

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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.