Home / 4,673.61-6,446.39-3,180.92

Finding the Fourth Proportional to 4,673.61, 6,446.39 and 3,180.92

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Solution

The fourth proportional to 4,673.61, 6,446.39 and 3,180.92 is: 4,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.61 : 6,446.39 = 3,180.92 : x
  2. Step 2: Convert to fraction form
    4,673.61/6,446.39 = 3,180.92/x
  3. Step 3: Cross multiply
    4,673.61x = 6,446.39 × 3,180.92
  4. Step 4: Simplify right side
    4,673.61x = 20,505,402.74
  5. Step 5: Solve for x
    x = 20,505,402.74/4,673.61
  6. Step 6: Final answer
    x = 4,387.49

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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.