Home / 1,836.66-2,534.85-1,138.26

Finding the Fourth Proportional to 1,836.66, 2,534.85 and 1,138.26

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Solution

The fourth proportional to 1,836.66, 2,534.85 and 1,138.26 is: 1,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.66 : 2,534.85 = 1,138.26 : x
  2. Step 2: Convert to fraction form
    1,836.66/2,534.85 = 1,138.26/x
  3. Step 3: Cross multiply
    1,836.66x = 2,534.85 × 1,138.26
  4. Step 4: Simplify right side
    1,836.66x = 2,885,318.36
  5. Step 5: Solve for x
    x = 2,885,318.36/1,836.66
  6. Step 6: Final answer
    x = 1,570.96

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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.