Home / 2,354.85-3,533.28-1,963.20

Finding the Fourth Proportional to 2,354.85, 3,533.28 and 1,963.20

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Solution

The fourth proportional to 2,354.85, 3,533.28 and 1,963.20 is: 2,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.85 : 3,533.28 = 1,963.20 : x
  2. Step 2: Convert to fraction form
    2,354.85/3,533.28 = 1,963.20/x
  3. Step 3: Cross multiply
    2,354.85x = 3,533.28 × 1,963.20
  4. Step 4: Simplify right side
    2,354.85x = 6,936,535.30
  5. Step 5: Solve for x
    x = 6,936,535.30/2,354.85
  6. Step 6: Final answer
    x = 2,945.64

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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.