Home / 3,999.46-5,516.40-3,467.39

Finding the Fourth Proportional to 3,999.46, 5,516.40 and 3,467.39

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Solution

The fourth proportional to 3,999.46, 5,516.40 and 3,467.39 is: 4,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.46 : 5,516.40 = 3,467.39 : x
  2. Step 2: Convert to fraction form
    3,999.46/5,516.40 = 3,467.39/x
  3. Step 3: Cross multiply
    3,999.46x = 5,516.40 × 3,467.39
  4. Step 4: Simplify right side
    3,999.46x = 19,127,510.20
  5. Step 5: Solve for x
    x = 19,127,510.20/3,999.46
  6. Step 6: Final answer
    x = 4,782.52

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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.