Home / 3,721.88-5,574.26-2,158.02

Finding the Fourth Proportional to 3,721.88, 5,574.26 and 2,158.02

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Solution

The fourth proportional to 3,721.88, 5,574.26 and 2,158.02 is: 3,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.88 : 5,574.26 = 2,158.02 : x
  2. Step 2: Convert to fraction form
    3,721.88/5,574.26 = 2,158.02/x
  3. Step 3: Cross multiply
    3,721.88x = 5,574.26 × 2,158.02
  4. Step 4: Simplify right side
    3,721.88x = 12,029,364.57
  5. Step 5: Solve for x
    x = 12,029,364.57/3,721.88
  6. Step 6: Final answer
    x = 3,232.07

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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.