Home / 3,243.46-4,474.52-1,916.58

Finding the Fourth Proportional to 3,243.46, 4,474.52 and 1,916.58

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Solution

The fourth proportional to 3,243.46, 4,474.52 and 1,916.58 is: 2,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.46 : 4,474.52 = 1,916.58 : x
  2. Step 2: Convert to fraction form
    3,243.46/4,474.52 = 1,916.58/x
  3. Step 3: Cross multiply
    3,243.46x = 4,474.52 × 1,916.58
  4. Step 4: Simplify right side
    3,243.46x = 8,575,775.54
  5. Step 5: Solve for x
    x = 8,575,775.54/3,243.46
  6. Step 6: Final answer
    x = 2,644.02

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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.