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Finding the Fourth Proportional to 5,176.70, 7,765.05 and 4,010.30

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Solution

The fourth proportional to 5,176.70, 7,765.05 and 4,010.30 is: 6,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.70 : 7,765.05 = 4,010.30 : x
  2. Step 2: Convert to fraction form
    5,176.70/7,765.05 = 4,010.30/x
  3. Step 3: Cross multiply
    5,176.70x = 7,765.05 × 4,010.30
  4. Step 4: Simplify right side
    5,176.70x = 31,140,180.02
  5. Step 5: Solve for x
    x = 31,140,180.02/5,176.70
  6. Step 6: Final answer
    x = 6,015.45

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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.