Home / 3,719.53-5,579.63-2,655.41

Finding the Fourth Proportional to 3,719.53, 5,579.63 and 2,655.41

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Solution

The fourth proportional to 3,719.53, 5,579.63 and 2,655.41 is: 3,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.53 : 5,579.63 = 2,655.41 : x
  2. Step 2: Convert to fraction form
    3,719.53/5,579.63 = 2,655.41/x
  3. Step 3: Cross multiply
    3,719.53x = 5,579.63 × 2,655.41
  4. Step 4: Simplify right side
    3,719.53x = 14,816,205.30
  5. Step 5: Solve for x
    x = 14,816,205.30/3,719.53
  6. Step 6: Final answer
    x = 3,983.35

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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.