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Finding the Fourth Proportional to 3,404.76, 5,125.11 and 2,903.64

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Solution

The fourth proportional to 3,404.76, 5,125.11 and 2,903.64 is: 4,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.76 : 5,125.11 = 2,903.64 : x
  2. Step 2: Convert to fraction form
    3,404.76/5,125.11 = 2,903.64/x
  3. Step 3: Cross multiply
    3,404.76x = 5,125.11 × 2,903.64
  4. Step 4: Simplify right side
    3,404.76x = 14,881,474.40
  5. Step 5: Solve for x
    x = 14,881,474.40/3,404.76
  6. Step 6: Final answer
    x = 4,370.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.