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Finding the Fourth Proportional to 5,204.79, 7,801.72 and 3,560.90

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Solution

The fourth proportional to 5,204.79, 7,801.72 and 3,560.90 is: 5,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.79 : 7,801.72 = 3,560.90 : x
  2. Step 2: Convert to fraction form
    5,204.79/7,801.72 = 3,560.90/x
  3. Step 3: Cross multiply
    5,204.79x = 7,801.72 × 3,560.90
  4. Step 4: Simplify right side
    5,204.79x = 27,781,096.84
  5. Step 5: Solve for x
    x = 27,781,096.84/5,204.79
  6. Step 6: Final answer
    x = 5,337.60

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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.