Home / 2,591.90-3,577.26-1,796.38

Finding the Fourth Proportional to 2,591.90, 3,577.26 and 1,796.38

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Solution

The fourth proportional to 2,591.90, 3,577.26 and 1,796.38 is: 2,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.90 : 3,577.26 = 1,796.38 : x
  2. Step 2: Convert to fraction form
    2,591.90/3,577.26 = 1,796.38/x
  3. Step 3: Cross multiply
    2,591.90x = 3,577.26 × 1,796.38
  4. Step 4: Simplify right side
    2,591.90x = 6,426,116.11
  5. Step 5: Solve for x
    x = 6,426,116.11/2,591.90
  6. Step 6: Final answer
    x = 2,479.31

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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.