Home / 3,706.63-5,112.92-2,447.69

Finding the Fourth Proportional to 3,706.63, 5,112.92 and 2,447.69

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Solution

The fourth proportional to 3,706.63, 5,112.92 and 2,447.69 is: 3,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.63 : 5,112.92 = 2,447.69 : x
  2. Step 2: Convert to fraction form
    3,706.63/5,112.92 = 2,447.69/x
  3. Step 3: Cross multiply
    3,706.63x = 5,112.92 × 2,447.69
  4. Step 4: Simplify right side
    3,706.63x = 12,514,823.71
  5. Step 5: Solve for x
    x = 12,514,823.71/3,706.63
  6. Step 6: Final answer
    x = 3,376.34

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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.