Home / 5,107.24-7,658.29-2,641.33

Finding the Fourth Proportional to 5,107.24, 7,658.29 and 2,641.33

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Solution

The fourth proportional to 5,107.24, 7,658.29 and 2,641.33 is: 3,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.24 : 7,658.29 = 2,641.33 : x
  2. Step 2: Convert to fraction form
    5,107.24/7,658.29 = 2,641.33/x
  3. Step 3: Cross multiply
    5,107.24x = 7,658.29 × 2,641.33
  4. Step 4: Simplify right side
    5,107.24x = 20,228,071.13
  5. Step 5: Solve for x
    x = 20,228,071.13/5,107.24
  6. Step 6: Final answer
    x = 3,960.67

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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.