Home / 6,371.28-8,792.19-3,538.62

Finding the Fourth Proportional to 6,371.28, 8,792.19 and 3,538.62

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Solution

The fourth proportional to 6,371.28, 8,792.19 and 3,538.62 is: 4,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.28 : 8,792.19 = 3,538.62 : x
  2. Step 2: Convert to fraction form
    6,371.28/8,792.19 = 3,538.62/x
  3. Step 3: Cross multiply
    6,371.28x = 8,792.19 × 3,538.62
  4. Step 4: Simplify right side
    6,371.28x = 31,112,219.38
  5. Step 5: Solve for x
    x = 31,112,219.38/6,371.28
  6. Step 6: Final answer
    x = 4,883.20

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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.