Home / 5,076.46-7,005.23-2,807.67

Finding the Fourth Proportional to 5,076.46, 7,005.23 and 2,807.67

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Solution

The fourth proportional to 5,076.46, 7,005.23 and 2,807.67 is: 3,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.46 : 7,005.23 = 2,807.67 : x
  2. Step 2: Convert to fraction form
    5,076.46/7,005.23 = 2,807.67/x
  3. Step 3: Cross multiply
    5,076.46x = 7,005.23 × 2,807.67
  4. Step 4: Simplify right side
    5,076.46x = 19,668,396.87
  5. Step 5: Solve for x
    x = 19,668,396.87/5,076.46
  6. Step 6: Final answer
    x = 3,874.43

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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.