Home / 3,141.81-4,336.60-2,516.69

Finding the Fourth Proportional to 3,141.81, 4,336.60 and 2,516.69

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Solution

The fourth proportional to 3,141.81, 4,336.60 and 2,516.69 is: 3,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.81 : 4,336.60 = 2,516.69 : x
  2. Step 2: Convert to fraction form
    3,141.81/4,336.60 = 2,516.69/x
  3. Step 3: Cross multiply
    3,141.81x = 4,336.60 × 2,516.69
  4. Step 4: Simplify right side
    3,141.81x = 10,913,877.85
  5. Step 5: Solve for x
    x = 10,913,877.85/3,141.81
  6. Step 6: Final answer
    x = 3,473.75

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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.