Home / 1,241.98-1,864.34-1,049.36

Finding the Fourth Proportional to 1,241.98, 1,864.34 and 1,049.36

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Solution

The fourth proportional to 1,241.98, 1,864.34 and 1,049.36 is: 1,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.98 : 1,864.34 = 1,049.36 : x
  2. Step 2: Convert to fraction form
    1,241.98/1,864.34 = 1,049.36/x
  3. Step 3: Cross multiply
    1,241.98x = 1,864.34 × 1,049.36
  4. Step 4: Simplify right side
    1,241.98x = 1,956,371.11
  5. Step 5: Solve for x
    x = 1,956,371.11/1,241.98
  6. Step 6: Final answer
    x = 1,575.21

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Why These Related Problems?

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