Home / 3,616.48-4,989.36-2,674.54

Finding the Fourth Proportional to 3,616.48, 4,989.36 and 2,674.54

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Solution

The fourth proportional to 3,616.48, 4,989.36 and 2,674.54 is: 3,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.48 : 4,989.36 = 2,674.54 : x
  2. Step 2: Convert to fraction form
    3,616.48/4,989.36 = 2,674.54/x
  3. Step 3: Cross multiply
    3,616.48x = 4,989.36 × 2,674.54
  4. Step 4: Simplify right side
    3,616.48x = 13,344,242.89
  5. Step 5: Solve for x
    x = 13,344,242.89/3,616.48
  6. Step 6: Final answer
    x = 3,689.84

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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.