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Finding the Fourth Proportional to 3,953.97, 5,930.97 and 3,713.40

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Solution

The fourth proportional to 3,953.97, 5,930.97 and 3,713.40 is: 5,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.97 : 5,930.97 = 3,713.40 : x
  2. Step 2: Convert to fraction form
    3,953.97/5,930.97 = 3,713.40/x
  3. Step 3: Cross multiply
    3,953.97x = 5,930.97 × 3,713.40
  4. Step 4: Simplify right side
    3,953.97x = 22,024,064.00
  5. Step 5: Solve for x
    x = 22,024,064.00/3,953.97
  6. Step 6: Final answer
    x = 5,570.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.