Home / 2,029.59-2,799.82-1,311.52

Finding the Fourth Proportional to 2,029.59, 2,799.82 and 1,311.52

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Solution

The fourth proportional to 2,029.59, 2,799.82 and 1,311.52 is: 1,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.59 : 2,799.82 = 1,311.52 : x
  2. Step 2: Convert to fraction form
    2,029.59/2,799.82 = 1,311.52/x
  3. Step 3: Cross multiply
    2,029.59x = 2,799.82 × 1,311.52
  4. Step 4: Simplify right side
    2,029.59x = 3,672,019.93
  5. Step 5: Solve for x
    x = 3,672,019.93/2,029.59
  6. Step 6: Final answer
    x = 1,809.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.