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Finding the Fourth Proportional to 2,439.35, 3,658.63 and 795.88

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Solution

The fourth proportional to 2,439.35, 3,658.63 and 795.88 is: 1,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.35 : 3,658.63 = 795.88 : x
  2. Step 2: Convert to fraction form
    2,439.35/3,658.63 = 795.88/x
  3. Step 3: Cross multiply
    2,439.35x = 3,658.63 × 795.88
  4. Step 4: Simplify right side
    2,439.35x = 2,911,819.31
  5. Step 5: Solve for x
    x = 2,911,819.31/2,439.35
  6. Step 6: Final answer
    x = 1,193.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.