Home / 3,327.57-4,591.61-1,911.32

Finding the Fourth Proportional to 3,327.57, 4,591.61 and 1,911.32

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Solution

The fourth proportional to 3,327.57, 4,591.61 and 1,911.32 is: 2,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.57 : 4,591.61 = 1,911.32 : x
  2. Step 2: Convert to fraction form
    3,327.57/4,591.61 = 1,911.32/x
  3. Step 3: Cross multiply
    3,327.57x = 4,591.61 × 1,911.32
  4. Step 4: Simplify right side
    3,327.57x = 8,776,036.03
  5. Step 5: Solve for x
    x = 8,776,036.03/3,327.57
  6. Step 6: Final answer
    x = 2,637.37

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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.