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Finding the Fourth Proportional to 3,673.97, 5,068.74 and 2,415.70

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Solution

The fourth proportional to 3,673.97, 5,068.74 and 2,415.70 is: 3,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.97 : 5,068.74 = 2,415.70 : x
  2. Step 2: Convert to fraction form
    3,673.97/5,068.74 = 2,415.70/x
  3. Step 3: Cross multiply
    3,673.97x = 5,068.74 × 2,415.70
  4. Step 4: Simplify right side
    3,673.97x = 12,244,570.61
  5. Step 5: Solve for x
    x = 12,244,570.61/3,673.97
  6. Step 6: Final answer
    x = 3,332.79

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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.