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Finding the Fourth Proportional to 3,846.61, 5,307.15 and 2,352.97

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Solution

The fourth proportional to 3,846.61, 5,307.15 and 2,352.97 is: 3,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.61 : 5,307.15 = 2,352.97 : x
  2. Step 2: Convert to fraction form
    3,846.61/5,307.15 = 2,352.97/x
  3. Step 3: Cross multiply
    3,846.61x = 5,307.15 × 2,352.97
  4. Step 4: Simplify right side
    3,846.61x = 12,487,564.74
  5. Step 5: Solve for x
    x = 12,487,564.74/3,846.61
  6. Step 6: Final answer
    x = 3,246.38

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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.