Home / 7,522.85-10,381.20-4,165.44

Finding the Fourth Proportional to 7,522.85, 10,381.20 and 4,165.44

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Solution

The fourth proportional to 7,522.85, 10,381.20 and 4,165.44 is: 5,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.85 : 10,381.20 = 4,165.44 : x
  2. Step 2: Convert to fraction form
    7,522.85/10,381.20 = 4,165.44/x
  3. Step 3: Cross multiply
    7,522.85x = 10,381.20 × 4,165.44
  4. Step 4: Simplify right side
    7,522.85x = 43,242,265.73
  5. Step 5: Solve for x
    x = 43,242,265.73/7,522.85
  6. Step 6: Final answer
    x = 5,748.13

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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.