Home / 2,713.77-3,745.28-1,651.61

Finding the Fourth Proportional to 2,713.77, 3,745.28 and 1,651.61

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Solution

The fourth proportional to 2,713.77, 3,745.28 and 1,651.61 is: 2,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.77 : 3,745.28 = 1,651.61 : x
  2. Step 2: Convert to fraction form
    2,713.77/3,745.28 = 1,651.61/x
  3. Step 3: Cross multiply
    2,713.77x = 3,745.28 × 1,651.61
  4. Step 4: Simplify right side
    2,713.77x = 6,185,741.90
  5. Step 5: Solve for x
    x = 6,185,741.90/2,713.77
  6. Step 6: Final answer
    x = 2,279.39

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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.