Home / 4,467.90-6,705.11-2,278.47

Finding the Fourth Proportional to 4,467.90, 6,705.11 and 2,278.47

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Solution

The fourth proportional to 4,467.90, 6,705.11 and 2,278.47 is: 3,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,467.90 : 6,705.11 = 2,278.47 : x
  2. Step 2: Convert to fraction form
    4,467.90/6,705.11 = 2,278.47/x
  3. Step 3: Cross multiply
    4,467.90x = 6,705.11 × 2,278.47
  4. Step 4: Simplify right side
    4,467.90x = 15,277,397.68
  5. Step 5: Solve for x
    x = 15,277,397.68/4,467.90
  6. Step 6: Final answer
    x = 3,419.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.