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Finding the Fourth Proportional to 3,080.79, 4,252.23 and 1,754.91

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Solution

The fourth proportional to 3,080.79, 4,252.23 and 1,754.91 is: 2,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.79 : 4,252.23 = 1,754.91 : x
  2. Step 2: Convert to fraction form
    3,080.79/4,252.23 = 1,754.91/x
  3. Step 3: Cross multiply
    3,080.79x = 4,252.23 × 1,754.91
  4. Step 4: Simplify right side
    3,080.79x = 7,462,280.95
  5. Step 5: Solve for x
    x = 7,462,280.95/3,080.79
  6. Step 6: Final answer
    x = 2,422.20

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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.