Home / 3,587-4,948.20-2,408.48

Finding the Fourth Proportional to 3,587, 4,948.20 and 2,408.48

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Solution

The fourth proportional to 3,587, 4,948.20 and 2,408.48 is: 3,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587 : 4,948.20 = 2,408.48 : x
  2. Step 2: Convert to fraction form
    3,587/4,948.20 = 2,408.48/x
  3. Step 3: Cross multiply
    3,587x = 4,948.20 × 2,408.48
  4. Step 4: Simplify right side
    3,587x = 11,917,640.74
  5. Step 5: Solve for x
    x = 11,917,640.74/3,587
  6. Step 6: Final answer
    x = 3,322.45

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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.