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Finding the Fourth Proportional to 3,098.92, 4,276.47 and 1,701.67

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Solution

The fourth proportional to 3,098.92, 4,276.47 and 1,701.67 is: 2,348.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.92 : 4,276.47 = 1,701.67 : x
  2. Step 2: Convert to fraction form
    3,098.92/4,276.47 = 1,701.67/x
  3. Step 3: Cross multiply
    3,098.92x = 4,276.47 × 1,701.67
  4. Step 4: Simplify right side
    3,098.92x = 7,277,140.70
  5. Step 5: Solve for x
    x = 7,277,140.70/3,098.92
  6. Step 6: Final answer
    x = 2,348.28

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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.