Home / 3,257.39-4,885.52-1,408.01

Finding the Fourth Proportional to 3,257.39, 4,885.52 and 1,408.01

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Solution

The fourth proportional to 3,257.39, 4,885.52 and 1,408.01 is: 2,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.39 : 4,885.52 = 1,408.01 : x
  2. Step 2: Convert to fraction form
    3,257.39/4,885.52 = 1,408.01/x
  3. Step 3: Cross multiply
    3,257.39x = 4,885.52 × 1,408.01
  4. Step 4: Simplify right side
    3,257.39x = 6,878,843.29
  5. Step 5: Solve for x
    x = 6,878,843.29/3,257.39
  6. Step 6: Final answer
    x = 2,111.77

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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.