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Finding the Fourth Proportional to 5,888.31, 8,123.85 and 3,649.37

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Solution

The fourth proportional to 5,888.31, 8,123.85 and 3,649.37 is: 5,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.31 : 8,123.85 = 3,649.37 : x
  2. Step 2: Convert to fraction form
    5,888.31/8,123.85 = 3,649.37/x
  3. Step 3: Cross multiply
    5,888.31x = 8,123.85 × 3,649.37
  4. Step 4: Simplify right side
    5,888.31x = 29,646,893.86
  5. Step 5: Solve for x
    x = 29,646,893.86/5,888.31
  6. Step 6: Final answer
    x = 5,034.88

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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.