Home / 3,619.37-4,994.77-2,127.77

Finding the Fourth Proportional to 3,619.37, 4,994.77 and 2,127.77

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Solution

The fourth proportional to 3,619.37, 4,994.77 and 2,127.77 is: 2,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.37 : 4,994.77 = 2,127.77 : x
  2. Step 2: Convert to fraction form
    3,619.37/4,994.77 = 2,127.77/x
  3. Step 3: Cross multiply
    3,619.37x = 4,994.77 × 2,127.77
  4. Step 4: Simplify right side
    3,619.37x = 10,627,721.76
  5. Step 5: Solve for x
    x = 10,627,721.76/3,619.37
  6. Step 6: Final answer
    x = 2,936.35

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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.