Home / 3,916.57-5,404.19-2,589.56

Finding the Fourth Proportional to 3,916.57, 5,404.19 and 2,589.56

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Solution

The fourth proportional to 3,916.57, 5,404.19 and 2,589.56 is: 3,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.57 : 5,404.19 = 2,589.56 : x
  2. Step 2: Convert to fraction form
    3,916.57/5,404.19 = 2,589.56/x
  3. Step 3: Cross multiply
    3,916.57x = 5,404.19 × 2,589.56
  4. Step 4: Simplify right side
    3,916.57x = 13,994,474.26
  5. Step 5: Solve for x
    x = 13,994,474.26/3,916.57
  6. Step 6: Final answer
    x = 3,573.15

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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.