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Finding the Fourth Proportional to 5,744.12, 7,926.90 and 3,355.74

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Solution

The fourth proportional to 5,744.12, 7,926.90 and 3,355.74 is: 4,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.12 : 7,926.90 = 3,355.74 : x
  2. Step 2: Convert to fraction form
    5,744.12/7,926.90 = 3,355.74/x
  3. Step 3: Cross multiply
    5,744.12x = 7,926.90 × 3,355.74
  4. Step 4: Simplify right side
    5,744.12x = 26,600,615.41
  5. Step 5: Solve for x
    x = 26,600,615.41/5,744.12
  6. Step 6: Final answer
    x = 4,630.93

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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.