Home / 3,577.02-4,936.29-2,179.77

Finding the Fourth Proportional to 3,577.02, 4,936.29 and 2,179.77

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Solution

The fourth proportional to 3,577.02, 4,936.29 and 2,179.77 is: 3,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.02 : 4,936.29 = 2,179.77 : x
  2. Step 2: Convert to fraction form
    3,577.02/4,936.29 = 2,179.77/x
  3. Step 3: Cross multiply
    3,577.02x = 4,936.29 × 2,179.77
  4. Step 4: Simplify right side
    3,577.02x = 10,759,976.85
  5. Step 5: Solve for x
    x = 10,759,976.85/3,577.02
  6. Step 6: Final answer
    x = 3,008.08

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1.5x scale

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.