Home / 3,719.41-5,132.98-2,148.01

Finding the Fourth Proportional to 3,719.41, 5,132.98 and 2,148.01

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Solution

The fourth proportional to 3,719.41, 5,132.98 and 2,148.01 is: 2,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.41 : 5,132.98 = 2,148.01 : x
  2. Step 2: Convert to fraction form
    3,719.41/5,132.98 = 2,148.01/x
  3. Step 3: Cross multiply
    3,719.41x = 5,132.98 × 2,148.01
  4. Step 4: Simplify right side
    3,719.41x = 11,025,692.37
  5. Step 5: Solve for x
    x = 11,025,692.37/3,719.41
  6. Step 6: Final answer
    x = 2,964.37

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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.