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Finding the Fourth Proportional to 5,392.59, 8,083.13 and 3,848.91

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Solution

The fourth proportional to 5,392.59, 8,083.13 and 3,848.91 is: 5,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.59 : 8,083.13 = 3,848.91 : x
  2. Step 2: Convert to fraction form
    5,392.59/8,083.13 = 3,848.91/x
  3. Step 3: Cross multiply
    5,392.59x = 8,083.13 × 3,848.91
  4. Step 4: Simplify right side
    5,392.59x = 31,111,220.64
  5. Step 5: Solve for x
    x = 31,111,220.64/5,392.59
  6. Step 6: Final answer
    x = 5,769.25

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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.