Home / 4,661.31-6,432.63-2,672.05

Finding the Fourth Proportional to 4,661.31, 6,432.63 and 2,672.05

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Solution

The fourth proportional to 4,661.31, 6,432.63 and 2,672.05 is: 3,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.31 : 6,432.63 = 2,672.05 : x
  2. Step 2: Convert to fraction form
    4,661.31/6,432.63 = 2,672.05/x
  3. Step 3: Cross multiply
    4,661.31x = 6,432.63 × 2,672.05
  4. Step 4: Simplify right side
    4,661.31x = 17,188,308.99
  5. Step 5: Solve for x
    x = 17,188,308.99/4,661.31
  6. Step 6: Final answer
    x = 3,687.44

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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.