Home / 4,240.80-5,851.28-2,539.88

Finding the Fourth Proportional to 4,240.80, 5,851.28 and 2,539.88

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Solution

The fourth proportional to 4,240.80, 5,851.28 and 2,539.88 is: 3,504.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.80 : 5,851.28 = 2,539.88 : x
  2. Step 2: Convert to fraction form
    4,240.80/5,851.28 = 2,539.88/x
  3. Step 3: Cross multiply
    4,240.80x = 5,851.28 × 2,539.88
  4. Step 4: Simplify right side
    4,240.80x = 14,861,507.09
  5. Step 5: Solve for x
    x = 14,861,507.09/4,240.80
  6. Step 6: Final answer
    x = 3,504.41

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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.