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Finding the Fourth Proportional to 6,710.39, 9,260.03 and 3,726.42

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Solution

The fourth proportional to 6,710.39, 9,260.03 and 3,726.42 is: 5,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710.39 : 9,260.03 = 3,726.42 : x
  2. Step 2: Convert to fraction form
    6,710.39/9,260.03 = 3,726.42/x
  3. Step 3: Cross multiply
    6,710.39x = 9,260.03 × 3,726.42
  4. Step 4: Simplify right side
    6,710.39x = 34,506,735.58
  5. Step 5: Solve for x
    x = 34,506,735.58/6,710.39
  6. Step 6: Final answer
    x = 5,142.28

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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.