Home / 6,042.75-8,343.72-4,720.16

Finding the Fourth Proportional to 6,042.75, 8,343.72 and 4,720.16

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Solution

The fourth proportional to 6,042.75, 8,343.72 and 4,720.16 is: 6,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.75 : 8,343.72 = 4,720.16 : x
  2. Step 2: Convert to fraction form
    6,042.75/8,343.72 = 4,720.16/x
  3. Step 3: Cross multiply
    6,042.75x = 8,343.72 × 4,720.16
  4. Step 4: Simplify right side
    6,042.75x = 39,383,651.68
  5. Step 5: Solve for x
    x = 39,383,651.68/6,042.75
  6. Step 6: Final answer
    x = 6,517.50

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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.