Home / 5,422.41-8,132.16-1,525.89

Finding the Fourth Proportional to 5,422.41, 8,132.16 and 1,525.89

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Solution

The fourth proportional to 5,422.41, 8,132.16 and 1,525.89 is: 2,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.41 : 8,132.16 = 1,525.89 : x
  2. Step 2: Convert to fraction form
    5,422.41/8,132.16 = 1,525.89/x
  3. Step 3: Cross multiply
    5,422.41x = 8,132.16 × 1,525.89
  4. Step 4: Simplify right side
    5,422.41x = 12,408,781.62
  5. Step 5: Solve for x
    x = 12,408,781.62/5,422.41
  6. Step 6: Final answer
    x = 2,288.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.