Home / 3,884.59-5,356.99-2,611.34

Finding the Fourth Proportional to 3,884.59, 5,356.99 and 2,611.34

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Solution

The fourth proportional to 3,884.59, 5,356.99 and 2,611.34 is: 3,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.59 : 5,356.99 = 2,611.34 : x
  2. Step 2: Convert to fraction form
    3,884.59/5,356.99 = 2,611.34/x
  3. Step 3: Cross multiply
    3,884.59x = 5,356.99 × 2,611.34
  4. Step 4: Simplify right side
    3,884.59x = 13,988,922.27
  5. Step 5: Solve for x
    x = 13,988,922.27/3,884.59
  6. Step 6: Final answer
    x = 3,601.13

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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.