Home / 3,370.88-4,651.72-1,878.84

Finding the Fourth Proportional to 3,370.88, 4,651.72 and 1,878.84

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Solution

The fourth proportional to 3,370.88, 4,651.72 and 1,878.84 is: 2,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.88 : 4,651.72 = 1,878.84 : x
  2. Step 2: Convert to fraction form
    3,370.88/4,651.72 = 1,878.84/x
  3. Step 3: Cross multiply
    3,370.88x = 4,651.72 × 1,878.84
  4. Step 4: Simplify right side
    3,370.88x = 8,739,837.60
  5. Step 5: Solve for x
    x = 8,739,837.60/3,370.88
  6. Step 6: Final answer
    x = 2,592.75

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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.