Home / 6,371.29-8,792.60-3,538.70

Finding the Fourth Proportional to 6,371.29, 8,792.60 and 3,538.70

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Solution

The fourth proportional to 6,371.29, 8,792.60 and 3,538.70 is: 4,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.29 : 8,792.60 = 3,538.70 : x
  2. Step 2: Convert to fraction form
    6,371.29/8,792.60 = 3,538.70/x
  3. Step 3: Cross multiply
    6,371.29x = 8,792.60 × 3,538.70
  4. Step 4: Simplify right side
    6,371.29x = 31,114,344.94
  5. Step 5: Solve for x
    x = 31,114,344.94/6,371.29
  6. Step 6: Final answer
    x = 4,883.52

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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.