Home / 4,660.74-6,431.71-2,672.46

Finding the Fourth Proportional to 4,660.74, 6,431.71 and 2,672.46

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Solution

The fourth proportional to 4,660.74, 6,431.71 and 2,672.46 is: 3,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.74 : 6,431.71 = 2,672.46 : x
  2. Step 2: Convert to fraction form
    4,660.74/6,431.71 = 2,672.46/x
  3. Step 3: Cross multiply
    4,660.74x = 6,431.71 × 2,672.46
  4. Step 4: Simplify right side
    4,660.74x = 17,188,487.71
  5. Step 5: Solve for x
    x = 17,188,487.71/4,660.74
  6. Step 6: Final answer
    x = 3,687.93

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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.