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Finding the Fourth Proportional to 3,711.07, 5,568.05 and 1,402.75

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Solution

The fourth proportional to 3,711.07, 5,568.05 and 1,402.75 is: 2,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.07 : 5,568.05 = 1,402.75 : x
  2. Step 2: Convert to fraction form
    3,711.07/5,568.05 = 1,402.75/x
  3. Step 3: Cross multiply
    3,711.07x = 5,568.05 × 1,402.75
  4. Step 4: Simplify right side
    3,711.07x = 7,810,582.14
  5. Step 5: Solve for x
    x = 7,810,582.14/3,711.07
  6. Step 6: Final answer
    x = 2,104.67

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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.