Home / 3,257.96-4,497.15-1,931.69

Finding the Fourth Proportional to 3,257.96, 4,497.15 and 1,931.69

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Solution

The fourth proportional to 3,257.96, 4,497.15 and 1,931.69 is: 2,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.96 : 4,497.15 = 1,931.69 : x
  2. Step 2: Convert to fraction form
    3,257.96/4,497.15 = 1,931.69/x
  3. Step 3: Cross multiply
    3,257.96x = 4,497.15 × 1,931.69
  4. Step 4: Simplify right side
    3,257.96x = 8,687,099.68
  5. Step 5: Solve for x
    x = 8,687,099.68/3,257.96
  6. Step 6: Final answer
    x = 2,666.42

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Double scale
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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.