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Finding the Fourth Proportional to 5,476.98, 8,203.13 and 3,840.83

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Solution

The fourth proportional to 5,476.98, 8,203.13 and 3,840.83 is: 5,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.98 : 8,203.13 = 3,840.83 : x
  2. Step 2: Convert to fraction form
    5,476.98/8,203.13 = 3,840.83/x
  3. Step 3: Cross multiply
    5,476.98x = 8,203.13 × 3,840.83
  4. Step 4: Simplify right side
    5,476.98x = 31,506,827.80
  5. Step 5: Solve for x
    x = 31,506,827.80/5,476.98
  6. Step 6: Final answer
    x = 5,752.59

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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.