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Finding the Fourth Proportional to 3,774.76, 5,205.76 and 2,358.58

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Solution

The fourth proportional to 3,774.76, 5,205.76 and 2,358.58 is: 3,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.76 : 5,205.76 = 2,358.58 : x
  2. Step 2: Convert to fraction form
    3,774.76/5,205.76 = 2,358.58/x
  3. Step 3: Cross multiply
    3,774.76x = 5,205.76 × 2,358.58
  4. Step 4: Simplify right side
    3,774.76x = 12,278,163.60
  5. Step 5: Solve for x
    x = 12,278,163.60/3,774.76
  6. Step 6: Final answer
    x = 3,252.70

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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.