Home / 2,965.02-4,451.85-2,103.90

Finding the Fourth Proportional to 2,965.02, 4,451.85 and 2,103.90

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Solution

The fourth proportional to 2,965.02, 4,451.85 and 2,103.90 is: 3,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.02 : 4,451.85 = 2,103.90 : x
  2. Step 2: Convert to fraction form
    2,965.02/4,451.85 = 2,103.90/x
  3. Step 3: Cross multiply
    2,965.02x = 4,451.85 × 2,103.90
  4. Step 4: Simplify right side
    2,965.02x = 9,366,247.22
  5. Step 5: Solve for x
    x = 9,366,247.22/2,965.02
  6. Step 6: Final answer
    x = 3,158.92

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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.