Home / 6,695.75-9,240.12-4,042.64

Finding the Fourth Proportional to 6,695.75, 9,240.12 and 4,042.64

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Solution

The fourth proportional to 6,695.75, 9,240.12 and 4,042.64 is: 5,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,695.75 : 9,240.12 = 4,042.64 : x
  2. Step 2: Convert to fraction form
    6,695.75/9,240.12 = 4,042.64/x
  3. Step 3: Cross multiply
    6,695.75x = 9,240.12 × 4,042.64
  4. Step 4: Simplify right side
    6,695.75x = 37,354,432.52
  5. Step 5: Solve for x
    x = 37,354,432.52/6,695.75
  6. Step 6: Final answer
    x = 5,578.83

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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.