Home / 5,520.26-7,618.04-3,002.45

Finding the Fourth Proportional to 5,520.26, 7,618.04 and 3,002.45

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Solution

The fourth proportional to 5,520.26, 7,618.04 and 3,002.45 is: 4,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.26 : 7,618.04 = 3,002.45 : x
  2. Step 2: Convert to fraction form
    5,520.26/7,618.04 = 3,002.45/x
  3. Step 3: Cross multiply
    5,520.26x = 7,618.04 × 3,002.45
  4. Step 4: Simplify right side
    5,520.26x = 22,872,742.35
  5. Step 5: Solve for x
    x = 22,872,742.35/5,520.26
  6. Step 6: Final answer
    x = 4,143.42

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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.