Home / 6,125.76-8,450.12-3,767.45

Finding the Fourth Proportional to 6,125.76, 8,450.12 and 3,767.45

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Solution

The fourth proportional to 6,125.76, 8,450.12 and 3,767.45 is: 5,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.76 : 8,450.12 = 3,767.45 : x
  2. Step 2: Convert to fraction form
    6,125.76/8,450.12 = 3,767.45/x
  3. Step 3: Cross multiply
    6,125.76x = 8,450.12 × 3,767.45
  4. Step 4: Simplify right side
    6,125.76x = 31,835,371.76
  5. Step 5: Solve for x
    x = 31,835,371.76/6,125.76
  6. Step 6: Final answer
    x = 5,196.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.