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Finding the Fourth Proportional to 3,572.79, 4,930.79 and 2,060.39

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Solution

The fourth proportional to 3,572.79, 4,930.79 and 2,060.39 is: 2,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.79 : 4,930.79 = 2,060.39 : x
  2. Step 2: Convert to fraction form
    3,572.79/4,930.79 = 2,060.39/x
  3. Step 3: Cross multiply
    3,572.79x = 4,930.79 × 2,060.39
  4. Step 4: Simplify right side
    3,572.79x = 10,159,364.02
  5. Step 5: Solve for x
    x = 10,159,364.02/3,572.79
  6. Step 6: Final answer
    x = 2,843.54

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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.