Home / 5,847.78-8,066.94-3,959.43

Finding the Fourth Proportional to 5,847.78, 8,066.94 and 3,959.43

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Solution

The fourth proportional to 5,847.78, 8,066.94 and 3,959.43 is: 5,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.78 : 8,066.94 = 3,959.43 : x
  2. Step 2: Convert to fraction form
    5,847.78/8,066.94 = 3,959.43/x
  3. Step 3: Cross multiply
    5,847.78x = 8,066.94 × 3,959.43
  4. Step 4: Simplify right side
    5,847.78x = 31,940,484.24
  5. Step 5: Solve for x
    x = 31,940,484.24/5,847.78
  6. Step 6: Final answer
    x = 5,461.98

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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.