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Finding the Fourth Proportional to 5,000.57, 7,504.16 and 2,078.87

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Solution

The fourth proportional to 5,000.57, 7,504.16 and 2,078.87 is: 3,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.57 : 7,504.16 = 2,078.87 : x
  2. Step 2: Convert to fraction form
    5,000.57/7,504.16 = 2,078.87/x
  3. Step 3: Cross multiply
    5,000.57x = 7,504.16 × 2,078.87
  4. Step 4: Simplify right side
    5,000.57x = 15,600,140.78
  5. Step 5: Solve for x
    x = 15,600,140.78/5,000.57
  6. Step 6: Final answer
    x = 3,119.68

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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.