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Finding the Fourth Proportional to 5,767.41, 7,959.03 and 3,114.82

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Solution

The fourth proportional to 5,767.41, 7,959.03 and 3,114.82 is: 4,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.41 : 7,959.03 = 3,114.82 : x
  2. Step 2: Convert to fraction form
    5,767.41/7,959.03 = 3,114.82/x
  3. Step 3: Cross multiply
    5,767.41x = 7,959.03 × 3,114.82
  4. Step 4: Simplify right side
    5,767.41x = 24,790,914.25
  5. Step 5: Solve for x
    x = 24,790,914.25/5,767.41
  6. Step 6: Final answer
    x = 4,298.45

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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.