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Finding the Fourth Proportional to 3,752.76, 5,181 and 2,495.55

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Solution

The fourth proportional to 3,752.76, 5,181 and 2,495.55 is: 3,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.76 : 5,181 = 2,495.55 : x
  2. Step 2: Convert to fraction form
    3,752.76/5,181 = 2,495.55/x
  3. Step 3: Cross multiply
    3,752.76x = 5,181 × 2,495.55
  4. Step 4: Simplify right side
    3,752.76x = 12,929,444.55
  5. Step 5: Solve for x
    x = 12,929,444.55/3,752.76
  6. Step 6: Final answer
    x = 3,445.32

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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.