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Finding the Fourth Proportional to 5,752.63, 7,938.30 and 3,234.84

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Solution

The fourth proportional to 5,752.63, 7,938.30 and 3,234.84 is: 4,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.63 : 7,938.30 = 3,234.84 : x
  2. Step 2: Convert to fraction form
    5,752.63/7,938.30 = 3,234.84/x
  3. Step 3: Cross multiply
    5,752.63x = 7,938.30 × 3,234.84
  4. Step 4: Simplify right side
    5,752.63x = 25,679,130.37
  5. Step 5: Solve for x
    x = 25,679,130.37/5,752.63
  6. Step 6: Final answer
    x = 4,463.89

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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.