Home / 3,490.31-5,236.23-1,932.58

Finding the Fourth Proportional to 3,490.31, 5,236.23 and 1,932.58

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Solution

The fourth proportional to 3,490.31, 5,236.23 and 1,932.58 is: 2,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.31 : 5,236.23 = 1,932.58 : x
  2. Step 2: Convert to fraction form
    3,490.31/5,236.23 = 1,932.58/x
  3. Step 3: Cross multiply
    3,490.31x = 5,236.23 × 1,932.58
  4. Step 4: Simplify right side
    3,490.31x = 10,119,433.37
  5. Step 5: Solve for x
    x = 10,119,433.37/3,490.31
  6. Step 6: Final answer
    x = 2,899.29

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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.