Home / 3,953.10-5,454.90-2,184.42

Finding the Fourth Proportional to 3,953.10, 5,454.90 and 2,184.42

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Solution

The fourth proportional to 3,953.10, 5,454.90 and 2,184.42 is: 3,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.10 : 5,454.90 = 2,184.42 : x
  2. Step 2: Convert to fraction form
    3,953.10/5,454.90 = 2,184.42/x
  3. Step 3: Cross multiply
    3,953.10x = 5,454.90 × 2,184.42
  4. Step 4: Simplify right side
    3,953.10x = 11,915,792.66
  5. Step 5: Solve for x
    x = 11,915,792.66/3,953.10
  6. Step 6: Final answer
    x = 3,014.29

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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.