Home / 5,525.81-7,625.66-3,168.11

Finding the Fourth Proportional to 5,525.81, 7,625.66 and 3,168.11

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Solution

The fourth proportional to 5,525.81, 7,625.66 and 3,168.11 is: 4,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.81 : 7,625.66 = 3,168.11 : x
  2. Step 2: Convert to fraction form
    5,525.81/7,625.66 = 3,168.11/x
  3. Step 3: Cross multiply
    5,525.81x = 7,625.66 × 3,168.11
  4. Step 4: Simplify right side
    5,525.81x = 24,158,929.70
  5. Step 5: Solve for x
    x = 24,158,929.70/5,525.81
  6. Step 6: Final answer
    x = 4,372.02

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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.