Home / 6,072.57-8,376.21-3,717.90

Finding the Fourth Proportional to 6,072.57, 8,376.21 and 3,717.90

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Solution

The fourth proportional to 6,072.57, 8,376.21 and 3,717.90 is: 5,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.57 : 8,376.21 = 3,717.90 : x
  2. Step 2: Convert to fraction form
    6,072.57/8,376.21 = 3,717.90/x
  3. Step 3: Cross multiply
    6,072.57x = 8,376.21 × 3,717.90
  4. Step 4: Simplify right side
    6,072.57x = 31,141,911.16
  5. Step 5: Solve for x
    x = 31,141,911.16/6,072.57
  6. Step 6: Final answer
    x = 5,128.29

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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.