Home / 6,664.61-9,197.25-3,680.39

Finding the Fourth Proportional to 6,664.61, 9,197.25 and 3,680.39

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Solution

The fourth proportional to 6,664.61, 9,197.25 and 3,680.39 is: 5,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.61 : 9,197.25 = 3,680.39 : x
  2. Step 2: Convert to fraction form
    6,664.61/9,197.25 = 3,680.39/x
  3. Step 3: Cross multiply
    6,664.61x = 9,197.25 × 3,680.39
  4. Step 4: Simplify right side
    6,664.61x = 33,849,420.94
  5. Step 5: Solve for x
    x = 33,849,420.94/6,664.61
  6. Step 6: Final answer
    x = 5,078.98

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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.