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Finding the Fourth Proportional to 3,752.61, 5,173.11 and 2,630.16

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Solution

The fourth proportional to 3,752.61, 5,173.11 and 2,630.16 is: 3,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.61 : 5,173.11 = 2,630.16 : x
  2. Step 2: Convert to fraction form
    3,752.61/5,173.11 = 2,630.16/x
  3. Step 3: Cross multiply
    3,752.61x = 5,173.11 × 2,630.16
  4. Step 4: Simplify right side
    3,752.61x = 13,606,107.00
  5. Step 5: Solve for x
    x = 13,606,107.00/3,752.61
  6. Step 6: Final answer
    x = 3,625.77

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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.