Home / 5,454.96-7,524.84-3,689.04

Finding the Fourth Proportional to 5,454.96, 7,524.84 and 3,689.04

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Solution

The fourth proportional to 5,454.96, 7,524.84 and 3,689.04 is: 5,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.96 : 7,524.84 = 3,689.04 : x
  2. Step 2: Convert to fraction form
    5,454.96/7,524.84 = 3,689.04/x
  3. Step 3: Cross multiply
    5,454.96x = 7,524.84 × 3,689.04
  4. Step 4: Simplify right side
    5,454.96x = 27,759,435.75
  5. Step 5: Solve for x
    x = 27,759,435.75/5,454.96
  6. Step 6: Final answer
    x = 5,088.84

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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.