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Finding the Fourth Proportional to 3,674.06, 5,070.20 and 1,995.47

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Solution

The fourth proportional to 3,674.06, 5,070.20 and 1,995.47 is: 2,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.06 : 5,070.20 = 1,995.47 : x
  2. Step 2: Convert to fraction form
    3,674.06/5,070.20 = 1,995.47/x
  3. Step 3: Cross multiply
    3,674.06x = 5,070.20 × 1,995.47
  4. Step 4: Simplify right side
    3,674.06x = 10,117,396.67
  5. Step 5: Solve for x
    x = 10,117,396.67/3,674.06
  6. Step 6: Final answer
    x = 2,753.74

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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.