Home / 3,486.66-4,811.30-1,994.34

Finding the Fourth Proportional to 3,486.66, 4,811.30 and 1,994.34

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Solution

The fourth proportional to 3,486.66, 4,811.30 and 1,994.34 is: 2,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.66 : 4,811.30 = 1,994.34 : x
  2. Step 2: Convert to fraction form
    3,486.66/4,811.30 = 1,994.34/x
  3. Step 3: Cross multiply
    3,486.66x = 4,811.30 × 1,994.34
  4. Step 4: Simplify right side
    3,486.66x = 9,595,334.01
  5. Step 5: Solve for x
    x = 9,595,334.01/3,486.66
  6. Step 6: Final answer
    x = 2,752.01

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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.