Home / 3,184.88-4,395.13-1,788.08

Finding the Fourth Proportional to 3,184.88, 4,395.13 and 1,788.08

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Solution

The fourth proportional to 3,184.88, 4,395.13 and 1,788.08 is: 2,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.88 : 4,395.13 = 1,788.08 : x
  2. Step 2: Convert to fraction form
    3,184.88/4,395.13 = 1,788.08/x
  3. Step 3: Cross multiply
    3,184.88x = 4,395.13 × 1,788.08
  4. Step 4: Simplify right side
    3,184.88x = 7,858,817.60
  5. Step 5: Solve for x
    x = 7,858,817.60/3,184.88
  6. Step 6: Final answer
    x = 2,467.54

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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.