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Finding the Fourth Proportional to 4,170.71, 6,259.16 and 3,358.79

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Solution

The fourth proportional to 4,170.71, 6,259.16 and 3,358.79 is: 5,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.71 : 6,259.16 = 3,358.79 : x
  2. Step 2: Convert to fraction form
    4,170.71/6,259.16 = 3,358.79/x
  3. Step 3: Cross multiply
    4,170.71x = 6,259.16 × 3,358.79
  4. Step 4: Simplify right side
    4,170.71x = 21,023,187.22
  5. Step 5: Solve for x
    x = 21,023,187.22/4,170.71
  6. Step 6: Final answer
    x = 5,040.67

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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.