Home / 3,730.50-5,146.83-2,158.02

Finding the Fourth Proportional to 3,730.50, 5,146.83 and 2,158.02

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Solution

The fourth proportional to 3,730.50, 5,146.83 and 2,158.02 is: 2,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.50 : 5,146.83 = 2,158.02 : x
  2. Step 2: Convert to fraction form
    3,730.50/5,146.83 = 2,158.02/x
  3. Step 3: Cross multiply
    3,730.50x = 5,146.83 × 2,158.02
  4. Step 4: Simplify right side
    3,730.50x = 11,106,962.08
  5. Step 5: Solve for x
    x = 11,106,962.08/3,730.50
  6. Step 6: Final answer
    x = 2,977.34

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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.