Home / 4,742.15-7,107.68-3,568.38

Finding the Fourth Proportional to 4,742.15, 7,107.68 and 3,568.38

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Solution

The fourth proportional to 4,742.15, 7,107.68 and 3,568.38 is: 5,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.15 : 7,107.68 = 3,568.38 : x
  2. Step 2: Convert to fraction form
    4,742.15/7,107.68 = 3,568.38/x
  3. Step 3: Cross multiply
    4,742.15x = 7,107.68 × 3,568.38
  4. Step 4: Simplify right side
    4,742.15x = 25,362,885.32
  5. Step 5: Solve for x
    x = 25,362,885.32/4,742.15
  6. Step 6: Final answer
    x = 5,348.40

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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.