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Finding the Fourth Proportional to 3,674.34, 5,070.49 and 1,995.67

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Solution

The fourth proportional to 3,674.34, 5,070.49 and 1,995.67 is: 2,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.34 : 5,070.49 = 1,995.67 : x
  2. Step 2: Convert to fraction form
    3,674.34/5,070.49 = 1,995.67/x
  3. Step 3: Cross multiply
    3,674.34x = 5,070.49 × 1,995.67
  4. Step 4: Simplify right side
    3,674.34x = 10,119,024.78
  5. Step 5: Solve for x
    x = 10,119,024.78/3,674.34
  6. Step 6: Final answer
    x = 2,753.97

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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.