Home / 2,029.47-3,049.89-1,207.87

Finding the Fourth Proportional to 2,029.47, 3,049.89 and 1,207.87

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Solution

The fourth proportional to 2,029.47, 3,049.89 and 1,207.87 is: 1,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.47 : 3,049.89 = 1,207.87 : x
  2. Step 2: Convert to fraction form
    2,029.47/3,049.89 = 1,207.87/x
  3. Step 3: Cross multiply
    2,029.47x = 3,049.89 × 1,207.87
  4. Step 4: Simplify right side
    2,029.47x = 3,683,870.63
  5. Step 5: Solve for x
    x = 3,683,870.63/2,029.47
  6. Step 6: Final answer
    x = 1,815.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.