Home / 3,255.89-4,487.85-2,074.91

Finding the Fourth Proportional to 3,255.89, 4,487.85 and 2,074.91

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Solution

The fourth proportional to 3,255.89, 4,487.85 and 2,074.91 is: 2,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.89 : 4,487.85 = 2,074.91 : x
  2. Step 2: Convert to fraction form
    3,255.89/4,487.85 = 2,074.91/x
  3. Step 3: Cross multiply
    3,255.89x = 4,487.85 × 2,074.91
  4. Step 4: Simplify right side
    3,255.89x = 9,311,862.40
  5. Step 5: Solve for x
    x = 9,311,862.40/3,255.89
  6. Step 6: Final answer
    x = 2,860.01

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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.